diff --git a/include/SDL_rwops.h b/include/SDL_rwops.h
index acc499ffb..3ad1ae4b8 100644
--- a/include/SDL_rwops.h
+++ b/include/SDL_rwops.h
@@ -138,7 +138,7 @@ typedef struct SDL_RWops
         struct
         {
             void *data1;
-            int data2;
+            void *data2;
         } unknown;
     } hidden;