diff --git a/file_sync_service.c b/file_sync_service.c
index d3e841b..f24f14c 100644
--- a/file_sync_service.c
+++ b/file_sync_service.c
@@ -110,6 +110,7 @@
 
             if(writex(s, &msg.dent, sizeof(msg.dent)) ||
                writex(s, de->d_name, len)) {
+                closedir(d);
                 return -1;
             }
         }