diff --git a/scripts/environment b/scripts/environment
index 883f0d4..05a129c 100755
--- a/scripts/environment
+++ b/scripts/environment
@@ -14,7 +14,7 @@ cat <<- EOF
 	GIT_REF=${GIT_REF}
 	GIT_AUTHOR=${GIT_AUTHOR}
 	GIT_KEY=${GIT_KEY}
-	GIT_TIMESTAMP=${GIT_DATETIME}
+	GIT_TIMESTAMP=${GIT_TIMESTAMP}
 	FAKETIME_FMT=%s
 	SOURCE_DATE_EPOCH=1
 	KBUILD_BUILD_TIMESTAMP=1970-01-01 00:00:00 UTC