diff --git a/Documentation/filesystems/fsverity.rst b/Documentation/filesystems/fsverity.rst
index cb8e7573882a1..66cdca30ff58b 100644
--- a/Documentation/filesystems/fsverity.rst
+++ b/Documentation/filesystems/fsverity.rst
@@ -161,6 +161,7 @@ FS_IOC_ENABLE_VERITY can fail with the following errors:
 - ``EBUSY``: this ioctl is already running on the file
 - ``EEXIST``: the file already has verity enabled
 - ``EFAULT``: the caller provided inaccessible memory
+- ``EFBIG``: the file is too large to enable verity on
 - ``EINTR``: the operation was interrupted by a fatal signal
 - ``EINVAL``: unsupported version, hash algorithm, or block size; or
   reserved bits are set; or the file descriptor refers to neither a
diff --git a/fs/verity/open.c b/fs/verity/open.c
index ca8de73e5a0b8..09512daa22db5 100644
--- a/fs/verity/open.c
+++ b/fs/verity/open.c
@@ -92,7 +92,7 @@ int fsverity_init_merkle_tree_params(struct merkle_tree_params *params,
 	while (blocks > 1) {
 		if (params->num_levels >= FS_VERITY_MAX_LEVELS) {
 			fsverity_err(inode, "Too many levels in Merkle tree");
-			err = -EINVAL;
+			err = -EFBIG;
 			goto out_err;
 		}
 		blocks = (blocks + params->hashes_per_block - 1) >>