diff --git a/src/kernel/blk.h b/src/kernel/blk.h
index 5091d19..8eef9ca 100644
--- a/src/kernel/blk.h
+++ b/src/kernel/blk.h
@@ -23,7 +23,7 @@
 
 #include "dnbd3.h"
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)
 #define REQ_TYPE_SPECIAL REQ_TYPE_DRV_PRIV
 #endif