diff -r bb7cff720dd0 -r 3df9258cd3cc src/server/config/serverconfig.c
--- a/src/server/config/serverconfig.c	Sat Nov 12 11:01:11 2022 +0100
+++ b/src/server/config/serverconfig.c	Sat Nov 12 11:52:47 2022 +0100
@@ -97,7 +97,7 @@
 }
 
 static int scfg_char_is_delim(char c) {
-    static const char *scfg_tokenizer_delim = "()+-/*%";
+    static const char *scfg_tokenizer_delim = "()/*%";
     for(int i=0;i<sizeof(scfg_tokenizer_delim)-1;i++) {
         if(c == scfg_tokenizer_delim[i]) {
             return 1;