diff --git a/fs/driver/fs_blockmerge.c b/fs/driver/fs_blockmerge.c
index d4fab5e689265..ae3b06e757aea 100644
--- a/fs/driver/fs_blockmerge.c
+++ b/fs/driver/fs_blockmerge.c
@@ -149,7 +149,7 @@ static int merge_close(FAR struct inode *inode)
   size_t i;
 
   DEBUGASSERT(inode && inode->i_private);
-  priv = (FAR struct merge_priv_s *)inode->i_private;
+  priv = inode->i_private;
 
   for (i = 0; i < priv->npart; i++)
     {