diff --git a/hw4/demo/mush b/hw4/demo/mush
index c0de499..933e994 100755
Binary files a/hw4/demo/mush and b/hw4/demo/mush differ
diff --git a/hw4/src/execution.c b/hw4/src/execution.c
index 5ba07b8..4b1ea9d 100644
--- a/hw4/src/execution.c
+++ b/hw4/src/execution.c
@@ -256,6 +256,7 @@ int exec_stmt(STMT *stmt) {
 	{
 	    jobs_pause();
 	}
+	break;
     default:
 	fprintf(stderr, "Unknown statement class: %d\n", stmt->class);
 	abort();