diff --git a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt
index ba909a147b..1984c0c4b3 100644
--- a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt
+++ b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt
@@ -48,8 +48,6 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.launch
 import java.util.Optional
 
-private const val MAX_KNOCK_MESSAGE_LENGTH = 500
-
 class JoinRoomPresenter @AssistedInject constructor(
     @Assisted private val roomId: RoomId,
     @Assisted private val roomIdOrAlias: RoomIdOrAlias,
diff --git a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt
index 6049e6cd5a..b53c1e0f7d 100644
--- a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt
+++ b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt
@@ -18,6 +18,8 @@ import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
 import io.element.android.libraries.matrix.api.room.RoomType
 import io.element.android.libraries.matrix.ui.model.InviteSender
 
+internal const val MAX_KNOCK_MESSAGE_LENGTH = 500
+
 @Immutable
 data class JoinRoomState(
     val contentState: ContentState,
diff --git a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt
index 33dcf786e5..d3bbc59c0c 100644
--- a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt
+++ b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt
@@ -40,17 +40,6 @@ open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
             aJoinRoomState(
                 contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.CanJoin)
             ),
-            aJoinRoomState(
-                contentState = aLoadedContentState(
-                    joinAuthorisationStatus = JoinAuthorisationStatus.CanKnock,
-                    topic = "lorem ipsum dolor sit amet consectetur adipiscing elit sed do eiusmod tempor incididunt" +
-                        " ut labore et dolore magna aliqua ut enim ad minim veniam quis nostrud exercitation ullamco" +
-                        " laboris nisi ut aliquip ex ea commodo consequat duis aute irure dolor in reprehenderit in" +
-                        " voluptate velit esse cillum dolore eu fugiat nulla pariatur excepteur sint occaecat cupidatat" +
-                        " non proident sunt in culpa qui officia deserunt mollit anim id est laborum",
-                    numberOfMembers = 888,
-                )
-            ),
             aJoinRoomState(
                 contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited(null))
             ),
@@ -81,6 +70,29 @@ open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
                     isDm = true,
                 )
             ),
+            aJoinRoomState(
+                contentState = aLoadedContentState(
+                    joinAuthorisationStatus = JoinAuthorisationStatus.CanKnock,
+                    topic = "lorem ipsum dolor sit amet consectetur adipiscing elit sed do eiusmod tempor incididunt" +
+                        " ut labore et dolore magna aliqua ut enim ad minim veniam quis nostrud exercitation ullamco" +
+                        " laboris nisi ut aliquip ex ea commodo consequat duis aute irure dolor in reprehenderit in" +
+                        " voluptate velit esse cillum dolore eu fugiat nulla pariatur excepteur sint occaecat cupidatat" +
+                        " non proident sunt in culpa qui officia deserunt mollit anim id est laborum",
+                    numberOfMembers = 888,
+                )
+            ),
+            aJoinRoomState(
+                knockMessage = "Let me in please!",
+                contentState = aLoadedContentState(
+                    joinAuthorisationStatus = JoinAuthorisationStatus.CanKnock,
+                    topic = "lorem ipsum dolor sit amet consectetur adipiscing elit sed do eiusmod tempor incididunt" +
+                        " ut labore et dolore magna aliqua ut enim ad minim veniam quis nostrud exercitation ullamco" +
+                        " laboris nisi ut aliquip ex ea commodo consequat duis aute irure dolor in reprehenderit in" +
+                        " voluptate velit esse cillum dolore eu fugiat nulla pariatur excepteur sint occaecat cupidatat" +
+                        " non proident sunt in culpa qui officia deserunt mollit anim id est laborum",
+                    numberOfMembers = 888,
+                )
+            ),
             aJoinRoomState(
                 contentState = aLoadedContentState(
                     name = "A knocked Room",
diff --git a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt
index 3a1c7c8421..d06b5badf3 100644
--- a/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt
+++ b/features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt
@@ -390,13 +390,18 @@ private fun DefaultLoadedContent(
                     )
                 } else if (contentState.joinAuthorisationStatus is JoinAuthorisationStatus.CanKnock) {
                     Spacer(modifier = Modifier.height(24.dp))
+                    val supportingText = if (knockMessage.isNotEmpty()) {
+                        "${knockMessage.length}/$MAX_KNOCK_MESSAGE_LENGTH"
+                    } else {
+                        stringResource(R.string.screen_join_room_knock_message_description)
+                    }
                     TextField(
                         value = knockMessage,
                         onValueChange = onKnockMessageUpdate,
                         maxLines = 3,
                         minLines = 3,
                         modifier = Modifier.fillMaxWidth(),
-                        supportingText = stringResource(R.string.screen_join_room_knock_message_description)
+                        supportingText = supportingText
                     )
                 }
             }
diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_10_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_10_en.png
index d28af79e36..6d0ff2554e 100644
--- a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_10_en.png
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_10_en.png
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diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_11_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_11_en.png
index 15fef4a084..deabc9b36a 100644
--- a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_11_en.png
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_11_en.png
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diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_12_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_12_en.png
new file mode 100644
index 0000000000..15fef4a084
--- /dev/null
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_12_en.png
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diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_4_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_4_en.png
index 6d0ff2554e..3fcad9605e 100644
--- a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_4_en.png
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_4_en.png
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diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_5_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_5_en.png
index 3fcad9605e..da1fd14667 100644
--- a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_5_en.png
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_5_en.png
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diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_6_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_6_en.png
index da1fd14667..aaab740c4f 100644
--- a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_6_en.png
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_6_en.png
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index aaab740c4f..28403e285e 100644
--- a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_7_en.png
+++ b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Day_7_en.png
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index 28403e285e..8cb6932f43 100644
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index 8cb6932f43..d28af79e36 100644
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diff --git a/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Night_10_en.png b/tests/uitests/src/test/snapshots/images/features.joinroom.impl_JoinRoomView_Night_10_en.png
index b1833d0459..17884e7282 100644
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