diff --git a/include/haproxy/stats-t.h b/include/haproxy/stats-t.h
index c3fc21b46..a9bf25e31 100644
--- a/include/haproxy/stats-t.h
+++ b/include/haproxy/stats-t.h
@@ -41,6 +41,7 @@
 #define STAT_SHOW_FDESC 0x00001000      /* show the field descriptions when possible */
 #define STAT_SHMODULES  0x00002000      /* conf: show modules */
 #define STAT_HIDE_MAINT 0x00004000	/* hide maint/disabled servers */
+#define STAT_CONVDONE   0x00008000	/* conf: rules conversion done */
 
 #define STAT_BOUND      0x00800000	/* bound statistics to selected proxies/types/services */
 #define STAT_STARTED    0x01000000	/* some output has occurred */
diff --git a/src/cfgparse.c b/src/cfgparse.c
index 83530ae4b..03405a40c 100644
--- a/src/cfgparse.c
+++ b/src/cfgparse.c
@@ -2842,7 +2842,7 @@ int check_config_validity()
 			}
 		}
 
-		if (curproxy->uri_auth && curproxy->uri_auth != defproxy.uri_auth &&
+		if (curproxy->uri_auth && !(curproxy->uri_auth->flags & STAT_CONVDONE) &&
 		    !LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules) &&
 		    (curproxy->uri_auth->userlist || curproxy->uri_auth->auth_realm )) {
 			ha_alert("%s '%s': stats 'auth'/'realm' and 'http-request' can't be used at the same time.\n",
@@ -2852,7 +2852,7 @@ int check_config_validity()
 		}
 
 		if (curproxy->uri_auth && curproxy->uri_auth->userlist &&
-		    (curproxy->uri_auth != defproxy.uri_auth ||
+		    (!(curproxy->uri_auth->flags & STAT_CONVDONE) ||
 		     LIST_ISEMPTY(&curproxy->uri_auth->http_req_rules))) {
 			const char *uri_auth_compat_req[10];
 			struct act_rule *rule;
@@ -2883,6 +2883,7 @@ int check_config_validity()
 				free(curproxy->uri_auth->auth_realm);
 				curproxy->uri_auth->auth_realm = NULL;
 			}
+			curproxy->uri_auth->flags |= STAT_CONVDONE;
 		}
 out_uri_auth_compat: