1 files changed, 1 insertions, 1 deletions
diff --git a/src/parse.y b/src/parse.y
index 053b5f3e9..3eb4a418f 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -997,7 +997,7 @@ heredoc_end(parser_state *p)
     node *nd;
     mrb_sym id;
     int num;
-    unsigned int stack;
+    stack_type stack;
     const struct vtable *vars;
 }