diff --git a/src/git2/odb_backend.h b/src/git2/odb_backend.h
index 9cdd358ee..0e817eb37 100644
--- a/src/git2/odb_backend.h
+++ b/src/git2/odb_backend.h
@@ -28,6 +28,7 @@
 #include "common.h"
 #include "types.h"
 #include "oid.h"
+#include "odb.h"
 
 /**
  * @file git2/backend.h