diff --git a/vector/src/main/java/im/vector/app/features/home/room/detail/AutoCompleter.kt b/vector/src/main/java/im/vector/app/features/home/room/detail/AutoCompleter.kt
index 1d6530218d..4b12935f31 100644
--- a/vector/src/main/java/im/vector/app/features/home/room/detail/AutoCompleter.kt
+++ b/vector/src/main/java/im/vector/app/features/home/room/detail/AutoCompleter.kt
@@ -194,7 +194,8 @@ class AutoCompleter @AssistedInject constructor(
                         }
 
                         // Replace the word by its completion
-                        editable.replace(startIndex, endIndex, item)
+                        editable.delete(startIndex, endIndex)
+                        editable.insert(startIndex, item)
                         return true
                     }