diff --git a/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ThumbnailFactory.kt b/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ThumbnailFactory.kt
index acbee18ec0..d4bb24b3df 100644
--- a/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ThumbnailFactory.kt
+++ b/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ThumbnailFactory.kt
@@ -122,5 +122,5 @@ class ThumbnailFactory @Inject constructor(
 data class ThumbnailResult(
     val file: File,
     val info: ThumbnailInfo,
-    val blurhash: String?,
+    val blurhash: String,
 )