1 files changed, 1 insertions, 0 deletions
diff --git a/cache.h b/cache.h
index 27fe635f62..c156fa998e 100644
--- a/cache.h
+++ b/cache.h
@@ -9,6 +9,7 @@
 #include "gettext.h"
 #include "convert.h"
 #include "trace.h"
+#include "trace2.h"
 #include "string-list.h"
 #include "pack-revindex.h"
 #include "hash.h"