diff --git a/src/smartauthmon.cpp b/src/smartauthmon.cpp
index b83c402..ea49442 100644
--- a/src/smartauthmon.cpp
+++ b/src/smartauthmon.cpp
@@ -228,6 +228,8 @@ TQString get_file(TQString prefix, TQString mode) {
 		usleep(100000);	// [FIXME] Here I assume that the entire file will be written (after it was created) within 100us.  This may not be correct in all cases!
 		return TQString("3F00_%1").arg(file);
 	}
+
+	return TQString("");
 }
 
 void createfile(TQString prefix, TQString mode)