diff -r 936e5487418a -r ee80191310ca src/server/test/io.c
--- a/src/server/test/io.c	Mon Feb 23 22:28:44 2026 +0100
+++ b/src/server/test/io.c	Tue Feb 24 12:28:58 2026 +0100
@@ -30,6 +30,8 @@
 
 #include "testutils.h"
 
+#include <limits.h>
+
 
 CX_TEST(test_io_http_stream_parse_chunk_header_hdronly_first) {
     char *str = strdup("100\r\n");