diff --git a/openbsc/src/ipaccess/ipaccess-find.c b/openbsc/src/ipaccess/ipaccess-find.c
index 6dc2f06..a273609 100644
--- a/openbsc/src/ipaccess/ipaccess-find.c
+++ b/openbsc/src/ipaccess/ipaccess-find.c
@@ -196,6 +196,7 @@
 	if (argc < 2) {
 		fprintf(stdout, "you might need to specify the outgoing\n"
 			" network interface, e.g. ``%s eth0''\n", argv[0]);
+		exit(EXIT_FAILURE);
 	}
 
 	ifname = argv[1];