diff --git a/src/core/ngx_hash.c b/src/core/ngx_hash.c
index 65ad839..e707c09 100644
--- a/src/core/ngx_hash.c
+++ b/src/core/ngx_hash.c
@@ -312,7 +312,7 @@
         continue;
     }
 
-    size--;
+    size = hinit->max_size;
 
     ngx_log_error(NGX_LOG_WARN, hinit->pool->log, 0,
                   "could not build optimal %s, you should increase "