diff --git a/src/components/views/rooms/MessageComposerInput.js b/src/components/views/rooms/MessageComposerInput.js
index 38c544ce38..f4befa8c98 100644
--- a/src/components/views/rooms/MessageComposerInput.js
+++ b/src/components/views/rooms/MessageComposerInput.js
@@ -500,7 +500,7 @@ export default class MessageComposerInput extends React.Component {
 
         // when in autocomplete mode and selection changes hide the autocomplete.
         // Selection changes when we enter text so use a heuristic to compare documents without doing it recursively
-        if (this.autocomplete.state.completionList.length >= 0 && !this.autocomplete.state.hide &&
+        if (this.autocomplete.state.completionList.length > 0 && !this.autocomplete.state.hide &&
             this.state.editorState.document.text !== editorState.document.text &&
             !rangeEquals(this.state.editorState.selection, editorState.selection))
         {