Index: clients/qt4/qt4client.cpp
===================================================================
--- clients/qt4/qt4client.cpp
+++ clients/qt4/qt4client.cpp	2010-03-23 13:06:33.000000000 +0100
@@ -381,7 +381,7 @@
 	    dbg = DebugFail;
 	    break;
     }
-    Debug("QT",dbg,text);
+    Debug("QT",dbg,"%s",text);
 }
 
 // Build a list of parameters from a string