diff --git a/tests/sys/kern/execve/execve_helper.c b/tests/sys/kern/execve/execve_helper.c
index 164a8f3fc61e..6321dbf36371 100644
--- a/tests/sys/kern/execve/execve_helper.c
+++ b/tests/sys/kern/execve/execve_helper.c
@@ -50,5 +50,5 @@ main(int argc, char **argv)
 	}
 
 	execve(argv[1], &argv[1], NULL);
-	err(1, "");
+	err(1, "%s", "");
 }