1 files changed, 1 insertions, 1 deletions
diff --git a/ruby.h b/ruby.h
index fb0511fefd..0cd89b483c 100644
--- a/ruby.h
+++ b/ruby.h
@@ -448,7 +448,7 @@ struct RHash {
 
 struct RFile {
     struct RBasic basic;
-    struct OpenFile *fptr;
+    struct rb_io_t *fptr;
 };
 
 struct RData {