diff --git a/lib/ace/multi_select.js b/lib/ace/multi_select.js
index fc07bd76..82d55972 100644
--- a/lib/ace/multi_select.js
+++ b/lib/ace/multi_select.js
@@ -539,7 +539,7 @@ var Editor = require("./editor").Editor;
         var lines = text.split(/\r\n|\r|\n/);
         var ranges = this.selection.rangeList.ranges;
 
-        if (lines.length > ranges.length || (lines.length <= 2 || !lines[1]))
+        if (lines.length > ranges.length || (lines.length <= 2 && !lines[1]))
             return this.commands.exec("insertstring", this, text);
 
         for (var i = ranges.length; i--; ) {