diff --git a/gui/qtgsi/src/TQApplication.cxx b/gui/qtgsi/src/TQApplication.cxx
index 6ac7f0b528fd484ba0d33a12b3f3c2eb92b43a90..feead96a71bab7b980a5e12cc29bd5f4cd4860e3 100644
--- a/gui/qtgsi/src/TQApplication.cxx
+++ b/gui/qtgsi/src/TQApplication.cxx
@@ -33,7 +33,9 @@ TQApplication::TQApplication()
 {
    // Used by Dictionary()
 
+   fCustomized=kFALSE;
 }
+
 //______________________________________________________________________________
 TQApplication::TQApplication(const char *appClassName,
                              Int_t *argc, char **argv, void *options, Int_t numOptions)