1 files changed, 1 insertions, 0 deletions
diff --git a/attr.c b/attr.c
index 48e2d64618..62127196cb 100644
--- a/attr.c
+++ b/attr.c
@@ -9,6 +9,7 @@
 #include "cache.h"
 #include "alloc.h"
 #include "config.h"
+#include "environment.h"
 #include "exec-cmd.h"
 #include "attr.h"
 #include "dir.h"