diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index 1914aa7..045ded7 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -748,7 +748,7 @@
     /* lock addr mutex */
 
     atimer = ngx_resolver_resend(r, &r->addr_rbtree, &r->addr_resend_queue);
-       
+
     /* unlock addr mutex */
 
     if (ntimer == 0) {