1 files changed, 2 insertions, 1 deletions

diff --git a/cache.c b/cache.c
index b947a34..39e63a5 100644
--- a/cache.c
+++ b/cache.c
@@ -74,7 +74,7 @@ int cache_refill_overdue(const char *lockfile)
 int cache_lock(struct cacheitem *item)
 {
         int i = 0;
-        char *lockfile = fmt("%s.lock", item->name);
+        char *lockfile = xstrdup(fmt("%s.lock", item->name));
 
  top:
         if (++i > cgit_max_lock_attempts)
@@ -90,6 +90,7 @@ int cache_lock(struct cacheitem *item)
             cache_refill_overdue(lockfile) && !unlink(lockfile))
                         goto top;
 
+        free(lockfile);
         return (item->fd > 0);
 }