1 files changed, 1 insertions, 0 deletions

diff --git a/tag.c b/tag.c
index 3408bb9433..3943423179 100644
--- a/tag.c
+++ b/tag.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "environment.h"
 #include "tag.h"
 #include "object-store.h"
 #include "commit.h"