diff --git a/fs/cromfs/fs_cromfs.c b/fs/cromfs/fs_cromfs.c
index f1d03e3dfc..b3770dd803 100644
--- a/fs/cromfs/fs_cromfs.c
+++ b/fs/cromfs/fs_cromfs.c
@@ -1153,7 +1153,7 @@ static int cromfs_fstat(FAR const struct file *filep, FAR struct stat *buf)
 
   /* Sanity checks */
 
-  DEBUGASSERT(filep->f_priv == NULL && filep->f_inode != NULL);
+  DEBUGASSERT(filep->f_priv != NULL && filep->f_inode != NULL);
 
   /* Get the mountpoint inode reference from the file structure and the
    * volume private data from the inode structure