diff --git a/src/tests/test-core-with-expect.c b/src/tests/test-core-with-expect.c
index 62b93a047b..bc24fb009b 100644
--- a/src/tests/test-core-with-expect.c
+++ b/src/tests/test-core-with-expect.c
@@ -236,7 +236,7 @@ do_test_nm_utils_kill_child(void)
     char *argv1[] = {
         "bash",
         "-c",
-        "trap \"sleep 0.3; exit 10\" EXIT; "
+        "trap \"sleep 0.5; exit 10\" EXIT; "
         "sleep 100000; exit $? #" TEST_TOKEN,
         NULL,
     };