1 files changed, 1 insertions, 0 deletions

diff --git a/trace.c b/trace.c
index de004f6298..9c85b71ec6 100644
--- a/trace.c
+++ b/trace.c
@@ -23,6 +23,7 @@
 
 #include "cache.h"
 #include "abspath.h"
+#include "environment.h"
 #include "quote.h"
 #include "wrapper.h"