diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
index 1c911123930c..af581f0f5125 100644
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -2275,9 +2275,13 @@ vn_seek(struct file *fp, off_t offset, int whence, struct thread *td)
 		break;
 	case SEEK_DATA:
 		error = fo_ioctl(fp, FIOSEEKDATA, &offset, cred, td);
+		if (error == ENOTTY)
+			error = EINVAL;
 		break;
 	case SEEK_HOLE:
 		error = fo_ioctl(fp, FIOSEEKHOLE, &offset, cred, td);
+		if (error == ENOTTY)
+			error = EINVAL;
 		break;
 	default:
 		error = EINVAL;