diff --git a/gnu/home/services/shells.scm b/gnu/home/services/shells.scm
index 172e58a9ff..3e346c3813 100644
--- a/gnu/home/services/shells.scm
+++ b/gnu/home/services/shells.scm
@@ -480,7 +480,7 @@ with text blocks from other extensions and the base service."))
 
 (define (home-bash-extensions original-config extension-configs)
   (match original-config
-    (($ <home-bash-configuration> _ _ _ environment-variables aliases
+    (($ <home-bash-configuration> _ _ environment-variables aliases
                                   bash-profile bashrc bash-logout)
      (home-bash-configuration
       (inherit original-config)
diff --git a/gnu/services/monitoring.scm b/gnu/services/monitoring.scm
index b19c6c9f18..d6dc2c1e03 100644
--- a/gnu/services/monitoring.scm
+++ b/gnu/services/monitoring.scm
@@ -576,7 +576,7 @@ fastcgi_param PHP_VALUE \"post_max_size = 16M
 
 (define (zabbix-front-end-nginx-extension config)
   (match config
-    (($ <zabbix-front-end-configuration> _ server nginx)
+    (($ <zabbix-front-end-configuration> server nginx)
      (if (null? nginx)
          (list
           (nginx-server-configuration