diff --git a/lib/utils/selection.js b/lib/utils/selection.js
index fe655943..ddb15411 100644
--- a/lib/utils/selection.js
+++ b/lib/utils/selection.js
@@ -12,7 +12,7 @@ exports.extend = function (terminal) {
   if (sel.focusNode && sel.focusNode.nodeName === '#text') {
     terminal.screen_.expandSelection(sel);
     if (terminal.copyOnSelect) {
-      terminal.copyStringToClipboard();
+      terminal.copyStringToClipboard(sel);
     }
   }
 };