diff --git a/src/http/ngx_http.c b/src/http/ngx_http.c
index deb3636..5e3c400 100644
--- a/src/http/ngx_http.c
+++ b/src/http/ngx_http.c
@@ -896,8 +896,8 @@
                 if (in_addr[i].hash.buckets == NULL
                     && (in_addr[i].wc_head == NULL
                         || in_addr[i].wc_head->hash.buckets == NULL)
-                    && (in_addr[i].wc_head == NULL
-                        || in_addr[i].wc_head->hash.buckets == NULL))
+                    && (in_addr[i].wc_tail == NULL
+                        || in_addr[i].wc_tail->hash.buckets == NULL))
                 {
                     continue;
                 }