diff --git a/macmouseover.mm b/macmouseover.mm
index 18586814..bc873334 100644
--- a/macmouseover.mm
+++ b/macmouseover.mm
@@ -85,7 +85,7 @@ QString MacMouseOver::CFStringRefToQString( CFStringRef str )
 
   QString result = QString::fromUtf16( chars, length );
 
-  delete  chars;
+  delete[] chars;
   return result;
 }