--- a/src/gui/image/qiconloader.cpp
+++ b/src/gui/image/qiconloader.cpp
@@ -457,7 +457,7 @@ QThemeIconInfo QIconLoader::findIconHelp
 
         // If it's possible - find next fallback for the icon
         const int indexOfDash = iconNameFallback.lastIndexOf(QLatin1Char('-'));
-        if (indexOfDash == -1)
+        if (indexOfDash < 9)
             break;
 
         iconNameFallback.truncate(indexOfDash);