diff --git a/include/nuttx/fs/binfs.h b/include/nuttx/fs/binfs.h
index d425ca9584..2a708e6fb4 100644
--- a/include/nuttx/fs/binfs.h
+++ b/include/nuttx/fs/binfs.h
@@ -68,7 +68,7 @@ extern "C"
  * It is typically mounted under /bin.
  */
 
-EXTERN mountpt_operations;
+struct mountpt_operations;
 EXTERN const struct mountpt_operations binfs_operations;
 
 /****************************************************************************