diff --git a/ngx_http_auth_ldap_module.c b/ngx_http_auth_ldap_module.c
index 28a81c9..5a4e564 100644
--- a/ngx_http_auth_ldap_module.c
+++ b/ngx_http_auth_ldap_module.c
@@ -2239,6 +2239,8 @@ ngx_http_auth_ldap_check_group(ngx_http_request_t *r, ngx_http_auth_ldap_ctx_t *
         ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http_auth_ldap: user \"%s\"", (const char *) user_val);
         ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http_auth_ldap: group_atr \"%s\"", (const char *) ctx->server->group_attribute.data);
         ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http_auth_ldap: group \"%s\"", (const char *) cn_gr);
+        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http_auth_ldap: ctx_dn \"%s\"", (const char *) ctx->dn.data);
+        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http_auth_ldap: ctx_user_dn \"%s\"", (const char *) ctx->user_dn.data);
         ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "http_auth_ldap: Search group filter is \"%s\"", (const char *) filter);
         attrs[0] = LDAP_NO_ATTRS;
         attrs[1] = NULL;