1 files changed, 1 insertions, 1 deletions

diff --git a/networking/httpd.c b/networking/httpd.c
index 19cc08fcb..7684ca4e7 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -1827,7 +1827,7 @@ static NOINLINE void send_file_and_exit(const char *url, int what)
         }
 #if ENABLE_FEATURE_HTTPD_ETAG
         /* ETag is "hex(last_mod)-hex(file_size)" e.g. "5e132e20-417" */
-        sprintf(G.etag, "\"%llx-%llx\"", (unsigned long long)last_mod, (unsigned long long)file_size);
+        sprintf(G.etag, "\"%"LL_FMT"x-%"LL_FMT"x\"", (unsigned long long)last_mod, (unsigned long long)file_size);
 
         if (G.if_none_match) {
                 if (DEBUG)