diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h
index ed47cc63..62b91afa 100644
--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -4,6 +4,7 @@
 #include <linux/kernel.h>
 #include <linux/preempt.h>
 #include <linux/futex.h>
+#include <urcu/futex.h>
 
 static inline void bit_spin_lock(int nr, unsigned long *_addr)
 {