diff --git a/subsys/fs/nffs_fs.c b/subsys/fs/nffs_fs.c
index bf3af4e551..747c76b114 100644
--- a/subsys/fs/nffs_fs.c
+++ b/subsys/fs/nffs_fs.c
@@ -219,7 +219,10 @@ static int inode_to_dirent(struct nffs_inode_entry *inode,
 		entry->size = 0;
 	} else {
 		entry->type = FS_DIR_ENTRY_FILE;
-		nffs_inode_data_len(inode, &size);
+		rc = nffs_inode_data_len(inode, &size);
+		if (rc) {
+			return rc;
+		}
 		entry->size = size;
 	}