diff --git a/js/src/forum/states/ComposerState.js b/js/src/forum/states/ComposerState.js
index 6a45100a4..7f545235f 100644
--- a/js/src/forum/states/ComposerState.js
+++ b/js/src/forum/states/ComposerState.js
@@ -74,7 +74,7 @@ class ComposerState {
     this.onExit = null;
 
     this.fields = {
-      content: m.prop(''),
+      content: m.stream(''),
     };
 
     /**