1 files changed, 4 insertions, 2 deletions
diff --git a/misc/autocomplete.js b/misc/autocomplete.js
index 267d4b79b..8f7ac6011 100644
--- a/misc/autocomplete.js
+++ b/misc/autocomplete.js
@@ -99,10 +99,12 @@ Drupal.jsAC.prototype.onkeyup = function (input, e) {
       return true;
 
     default: // All other keys.
-      if (input.value.length > 0)
+      if (input.value.length > 0 && !input.readOnly) {
         this.populatePopup();
-      else
+      }
+      else {
         this.hidePopup(e.keyCode);
+      }
       return true;
   }
 };