diff --git a/tools/include/linux/ring_buffer.h b/tools/include/linux/ring_buffer.h
index 9a083ae60473..6c02617377c2 100644
--- a/tools/include/linux/ring_buffer.h
+++ b/tools/include/linux/ring_buffer.h
@@ -2,6 +2,7 @@
 #define _TOOLS_LINUX_RING_BUFFER_H_
 
 #include <asm/barrier.h>
+#include <linux/perf_event.h>
 
 /*
  * Contract with kernel for walking the perf ring buffer from