diff --git a/library/BSSAP_Adapter.ttcn b/library/BSSAP_Adapter.ttcn
index e50487d..b29d03f 100644
--- a/library/BSSAP_Adapter.ttcn
+++ b/library/BSSAP_Adapter.ttcn
@@ -144,7 +144,7 @@
 		}
 	case else {
 		setverdict(fail, "Unsuppored BSSAP_Transport");
-		self.stop;
+		mtc.stop;
 		}
 	}