diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index c758836..d258422 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -300,7 +300,7 @@
 
 struct flex_groups {
 	atomic_t free_inodes;
-	atomic_t free_blocks;
+	atomic_t free_clusters;
 	atomic_t used_dirs;
 };