diff --git a/src/os/FileStore.cc b/src/os/FileStore.cc
index 42f4705..d947237 100644
--- a/src/os/FileStore.cc
+++ b/src/os/FileStore.cc
@@ -1030,7 +1030,7 @@ int FileStore::mkfs()
     strcpy(volargs.name, "current");
     if (::ioctl(basedir_fd, BTRFS_IOC_SUBVOL_CREATE, (unsigned long int)&volargs)) {
       ret = -errno;
-      if (ret == -EOPNOTSUPP || ret == -ENOTTY) {
+      if (ret < 0) {
 	dout(2) << " BTRFS_IOC_SUBVOL_CREATE ioctl failed, trying mkdir "
 		<< current_fn << dendl;
 #endif