diff --git a/src/core/ngx_file.c b/src/core/ngx_file.c
index b98108a..28980df 100644
--- a/src/core/ngx_file.c
+++ b/src/core/ngx_file.c
@@ -46,7 +46,7 @@
 
     file->name.len = path->name.len + 1 + path->len + 10;
 
-    file->name.data = ngx_palloc(pool, file->name.len + 1);
+    file->name.data = ngx_pnalloc(pool, file->name.len + 1);
     if (file->name.data == NULL) {
         return NGX_ERROR;
     }