--- postfix-3.6.2/src/global/scache_clnt.c.orig	2021-08-27 14:41:51.981598457 +0200
+++ postfix-3.6.2/src/global/scache_clnt.c	2021-08-27 14:44:13.138605407 +0200
@@ -428,7 +428,7 @@
     sp->scache->size = scache_clnt_size;
     sp->scache->free = scache_clnt_free;
 
-    service = concatenate("local:" MAIL_CLASS_PRIVATE "/", server, (char *) 0);
+    service = concatenate("local:" MAIL_CLASS_PRIVATE "/", var_scache_service, (char *) 0);
     sp->auto_clnt = auto_clnt_create(service, timeout, idle_limit, ttl_limit);
     auto_clnt_control(sp->auto_clnt,
 		      AUTO_CLNT_CTL_HANDSHAKE, scache_clnt_handshake,