diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn
index b0daf61..a50b6f4 100644
--- a/bsc/MSC_ConnectionHandler.ttcn
+++ b/bsc/MSC_ConnectionHandler.ttcn
@@ -622,7 +622,7 @@
 		/* In this case, alg_permitted should have only one permitted algo */
 		alg_expect := valueof(alg_permitted);
 	}
-	var template octetstring kc := omit;
+	var template (omit) octetstring kc := omit;
 	if (kc128) {
 		kc := f_rnd_octstring(16);
 	}