diff --git a/ksysv/main.cpp b/ksysv/main.cpp
index 31735c4..170a514 100644
--- a/ksysv/main.cpp
+++ b/ksysv/main.cpp
@@ -39,13 +39,13 @@ using namespace std;
 static void myMessageOutput( TQtMsgType type, const char *msg )
 {
   switch ( type ) {
-  case QtDebugMsg:
+  case TQtDebugMsg:
     KSYSV_DEBUG(cerr << "Debug: " << msg << endl);
     break;
-  case QtWarningMsg:
+  case TQtWarningMsg:
     KSYSV_DEBUG(cerr << "Warning: " << msg << endl);
     break;
-  case QtFatalMsg:
+  case TQtFatalMsg:
     cerr << "Fatal: " << msg << endl;
     abort(); // dump core on purpose
   }