diff --git a/features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/edit/RoomDetailsEditPresenterTest.kt b/features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/edit/RoomDetailsEditPresenterTest.kt
index b1352cd7b6..3b40e3bf3c 100644
--- a/features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/edit/RoomDetailsEditPresenterTest.kt
+++ b/features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/edit/RoomDetailsEditPresenterTest.kt
@@ -17,6 +17,7 @@ import io.element.android.features.roomdetails.aMatrixRoom
 import io.element.android.features.roomdetails.impl.edit.RoomDetailsEditEvents
 import io.element.android.features.roomdetails.impl.edit.RoomDetailsEditPresenter
 import io.element.android.libraries.architecture.AsyncAction
+import io.element.android.libraries.core.mimetype.MimeTypes
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.api.room.StateEventType
 import io.element.android.libraries.matrix.test.AN_AVATAR_URL
@@ -513,7 +514,7 @@ class RoomDetailsEditPresenterTest {
             initialState.eventSink(RoomDetailsEditEvents.HandleAvatarAction(AvatarAction.ChoosePhoto))
             initialState.eventSink(RoomDetailsEditEvents.Save)
             skipItems(4)
-            updateAvatarResult.assertions().isCalledOnce().with(value("image/jpeg"), value(fakeFileContents))
+            updateAvatarResult.assertions().isCalledOnce().with(value(MimeTypes.Jpeg), value(fakeFileContents))
         }
     }
 
diff --git a/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt b/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt
index e224955164..e0a82e7773 100644
--- a/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt
+++ b/libraries/matrixui/src/test/kotlin/io/element/android/libraries/matrix/ui/messages/reply/InReplyToMetadataKtTest.kt
@@ -18,6 +18,7 @@ import app.cash.molecule.RecompositionMode
 import app.cash.molecule.moleculeFlow
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
+import io.element.android.libraries.core.mimetype.MimeTypes
 import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.media.AudioInfo
@@ -580,7 +581,7 @@ fun anImageInfo(): ImageInfo {
     return ImageInfo(
         height = 100,
         width = 100,
-        mimetype = "image/jpeg",
+        mimetype = MimeTypes.Jpeg,
         size = 1000,
         thumbnailInfo = null,
         thumbnailSource = aMediaSource(),