diff --git a/kdecore/kstringhandler.cpp b/kdecore/kstringhandler.cpp
index 3c13a9b57..8b5ca1a7d 100644
--- a/kdecore/kstringhandler.cpp
+++ b/kdecore/kstringhandler.cpp
@@ -558,7 +558,7 @@ TQString KStringHandler::obscure( const TQString &str )
   TQString result;
   const TQChar *unicode = str.unicode();
   for ( uint i = 0; i < str.length(); ++i )
-    result += ( unicode[ i ].unicode() <= 0x21 ) ? unicode[ i ] :
+    result += ( unicode[ i ].unicode() < 0x21 ) ? unicode[ i ] :
         TQChar( 0x1001F - unicode[ i ].unicode() );
 
   return result;