diff --git a/cmd/proc_posix.go b/cmd/proc_posix.go
index da586e04..7a53193d 100644
--- a/cmd/proc_posix.go
+++ b/cmd/proc_posix.go
@@ -18,6 +18,8 @@ package caddycmd
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"syscall"
 )