1 files changed, 1 insertions, 1 deletions

diff --git a/mg.h b/mg.h
index ca3d8f3bd3..1236ea8d1e 100644
--- a/mg.h
+++ b/mg.h
@@ -24,5 +24,5 @@ struct magic {
     U8		mg_flags;
     SV*		mg_obj;
     char*	mg_ptr;
-    U32		mg_len;
+    I32		mg_len;
 };