diff --git a/lib/ace/ext/language_tools.js b/lib/ace/ext/language_tools.js
index e7cb1fba..0e12e4df 100644
--- a/lib/ace/ext/language_tools.js
+++ b/lib/ace/ext/language_tools.js
@@ -120,6 +120,20 @@ var onChangeAutocomplete = function(e, editor) {
     var pos = editor.getCursorPosition();
     var line = session.getLine(pos.row);
 
+    // Detect paste (poor man's paste detection)
+    var pasting = (
+        (
+            e.data.action === 'insertText' &&
+            e.data.text.length > 1
+        ) ||
+        e.data.action === 'insertLines'
+    );
+
+    // we don't want to autocomplete on paste events
+    if(pasting) {
+        return;
+    }
+
     // Append added text to the line
     if(e.data.action === 'insertText') {
         line += e.data.text;