1 files changed, 1 insertions, 2 deletions
diff --git a/git.c b/git.c
index 0f1937fd0c..f914490e14 100644
--- a/git.c
+++ b/git.c
@@ -35,8 +35,7 @@ static void save_env_before_alias(void)
 	orig_cwd = xgetcwd();
 	for (i = 0; i < ARRAY_SIZE(env_names); i++) {
 		orig_env[i] = getenv(env_names[i]);
-		if (orig_env[i])
-			orig_env[i] = xstrdup(orig_env[i]);
+		orig_env[i] = xstrdup_or_null(orig_env[i]);
 	}
 }