diff --git a/src/repository.c b/src/repository.c
index f60bb86..5b81e5d 100644
--- a/src/repository.c
+++ b/src/repository.c
@@ -36,6 +36,7 @@
 #include "note.h"
 #include "repository.h"
 #include "remote.h"
+#include <git2/odb_backend.h>
 
 extern PyObject *GitError;