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-rw-r--r--t/helper/test-submodule-config.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/t/helper/test-submodule-config.c b/t/helper/test-submodule-config.c
index 61049b87a0..2f144d539a 100644
--- a/t/helper/test-submodule-config.c
+++ b/t/helper/test-submodule-config.c
@@ -23,7 +23,7 @@ int cmd_main(int argc, const char **argv)
arg++;
my_argc--;
- while (starts_with(arg[0], "--")) {
+ while (arg[0] && starts_with(arg[0], "--")) {
if (!strcmp(arg[0], "--url"))
output_url = 1;
if (!strcmp(arg[0], "--name"))