diff --git a/server/gen_test_char.c b/server/gen_test_char.c
index c089448..1db23b3 100644
--- a/server/gen_test_char.c
+++ b/server/gen_test_char.c
@@ -124,6 +124,7 @@
          * ASCII equivilants here
          */
         if (!c || apr_iscntrl(c) || strchr(" \t()<>@,;:\\\"/[]?={}", c)) {
+            flags |= T_HTTP_TOKEN_STOP;
         }
 
         /* Catch CTRLs other than VCHAR, HT and SP, and obs-text (RFC7230 3.2)