diff --git a/tools/mdflush.py b/tools/mdflush.py
index 730d67a6c2b7..514098f20c7f 100755
--- a/tools/mdflush.py
+++ b/tools/mdflush.py
@@ -19,7 +19,7 @@
 bpf_text="""
 #include <uapi/linux/ptrace.h>
 #include <linux/sched.h>
-#include <linux/genhd.h>
+#include <linux/blkdev.h>
 #include <linux/bio.h>
 
 struct data_t {