diff --git a/vector/src/main/java/im/vector/app/core/utils/DataSource.kt b/vector/src/main/java/im/vector/app/core/utils/DataSource.kt
index 32c1cf9424..ff55b05689 100644
--- a/vector/src/main/java/im/vector/app/core/utils/DataSource.kt
+++ b/vector/src/main/java/im/vector/app/core/utils/DataSource.kt
@@ -26,7 +26,7 @@ interface DataSource<T> {
 
 interface MutableDataSource<T> : DataSource<T> {
 
-    suspend fun set(value: T)
+    suspend fun emit(value: T)
 
     fun post(value: T)
 }
@@ -45,7 +45,7 @@ open class BehaviorDataSource<T>(private val defaultValue: T? = null) : MutableD
         return mutableFlow
     }
 
-    override suspend fun set(value: T) {
+    override suspend fun emit(value: T) {
         mutableFlow.emit(value)
     }
 
@@ -65,7 +65,7 @@ open class PublishDataSource<T> : MutableDataSource<T> {
         return mutableFlow
     }
 
-    override suspend fun set(value: T) {
+    override suspend fun emit(value: T) {
         mutableFlow.emit(value)
     }
 
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewModel.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewModel.kt
index d0247553aa..fcc4313558 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/composer/MessageComposerViewModel.kt
@@ -473,13 +473,13 @@ class MessageComposerViewModel @AssistedInject constructor(
                         }
                         is ParsedCommand.UpgradeRoom                       -> {
                             viewModelScope.launch {
-                                _viewEvents.set(
+                                _viewEvents.emit(
                                         MessageComposerViewEvents.ShowRoomUpgradeDialog(
                                                 parsedCommand.newVersion,
                                                 room.roomSummary()?.isPublic ?: false
                                         )
                                 )
-                                _viewEvents.set(MessageComposerViewEvents.SlashCommandResultOk(parsedCommand))
+                                _viewEvents.emit(MessageComposerViewEvents.SlashCommandResultOk(parsedCommand))
                                 popDraft()
                             }
                         }