diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..b198fd3
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module github.com/kisom/goutils
+
+go 1.13
diff --git a/lib/ftime_bsd.go b/lib/ftime_bsd.go
index 22e629d..a190051 100644
--- a/lib/ftime_bsd.go
+++ b/lib/ftime_bsd.go
@@ -1,4 +1,4 @@
-// +build freebsd darwin netbsd
+// +build freebsd darwin,386 netbsd
 
 package lib