diff --git a/programs/develop/libraries/http/http.asm b/programs/develop/libraries/http/http.asm
index cde3de22be..61a298f525 100644
--- a/programs/develop/libraries/http/http.asm
+++ b/programs/develop/libraries/http/http.asm
@@ -1108,6 +1108,7 @@ proc HTTP_find_header_field identifier, headername ;////////////////////////////
         ret
 
   .fail:
+        DEBUGF  1, "Header field not found\n"
         pop     edi esi edx ecx ebx
         xor     eax, eax
         ret