diff --git a/openbsc/src/libmgcp/osmux.c b/openbsc/src/libmgcp/osmux.c
index 71d001f..1c59e26 100644
--- a/openbsc/src/libmgcp/osmux.c
+++ b/openbsc/src/libmgcp/osmux.c
@@ -171,7 +171,7 @@
 			return NULL;
 		}
 
-		if (tmp->ci == cid && this->s_addr == from_addr->s_addr)
+		if ((tmp->ci & 0xFF) == cid && this->s_addr == from_addr->s_addr)
 			return tmp;
 	}