1 files changed, 1 insertions, 0 deletions

diff --git a/epoch.c b/epoch.c
index 3a767486da..0f374921da 100644
--- a/epoch.c
+++ b/epoch.c
@@ -15,6 +15,7 @@
 
 #include "cache.h"
 #include "commit.h"
+#include "revision.h"
 #include "epoch.h"
 
 struct fraction {