1 files changed, 2 insertions, 1 deletions
diff --git a/src/core/ngx_radix_tree.h b/src/core/ngx_radix_tree.h
index 6fe574b50..a177b6dbd 100644
--- a/src/core/ngx_radix_tree.h
+++ b/src/core/ngx_radix_tree.h
@@ -18,7 +18,8 @@ struct ngx_radix_node_s {
 typedef struct {
     ngx_radix_node_t  *root;
     ngx_pool_t        *pool;
-    char              *free;
+    ngx_radix_node_t  *free;
+    char              *start;
     size_t             size;
 } ngx_radix_tree_t;