diff --git a/changelog.d/4261.bugfix b/changelog.d/4261.bugfix
new file mode 100644
index 00000000000..42833351313
--- /dev/null
+++ b/changelog.d/4261.bugfix
@@ -0,0 +1 @@
+Fix crash on slash commands Exceptions
\ No newline at end of file
diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/composer/TextComposerViewModel.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/composer/TextComposerViewModel.kt
index 08f44f30f72..73b400e8d5f 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/composer/TextComposerViewModel.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/composer/TextComposerViewModel.kt
@@ -709,7 +709,7 @@ class TextComposerViewModel @AssistedInject constructor(
             val event = try {
                 block()
                 TextComposerViewEvents.SlashCommandResultOk
-            } catch (failure: Exception) {
+            } catch (failure: Throwable) {
                 TextComposerViewEvents.SlashCommandResultError(failure)
             }
             _viewEvents.post(event)