diff --git a/library/L3_Common.ttcn b/library/L3_Common.ttcn
index 2b39621..bf7818a 100644
--- a/library/L3_Common.ttcn
+++ b/library/L3_Common.ttcn
@@ -70,7 +70,7 @@
 		return TLLI_RAND_G_RNTI;
 	} else {
 		setverdict(fail, "Unknonw TLLI Type ", tllib);
-		self.stop;
+		mtc.stop;
 	}
 }