diff -r 280bf87c8689 -r 40ecc0a6b280 src/server/util/io.c
--- a/src/server/util/io.c	Thu Aug 15 21:46:57 2024 +0200
+++ b/src/server/util/io.c	Thu Aug 15 22:16:05 2024 +0200
@@ -637,7 +637,7 @@
     errno = 0;
     clen = strtoll(hdr_start, &end, 16);
     *hdr_end = save_c;
-    if(errno) {
+    if(end != hdr_end) {
         return -1;
     }
     i++;