diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h
index 162a0a307f1b..8ef17c7ddaf7 100644
--- a/fs/bcachefs/bcachefs_format.h
+++ b/fs/bcachefs/bcachefs_format.h
@@ -74,6 +74,7 @@
 
 #include <asm/types.h>
 #include <asm/byteorder.h>
+#include <linux/kernel.h>
 #include <linux/uuid.h>
 
 #ifdef __KERNEL__