diff --git a/circle.yml b/circle.yml
index 754bc0b..ad8c43d 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,3 +1,11 @@
 machine:
   timezone:
-    Asia/Tokyo
\ No newline at end of file
+    Asia/Tokyo
+test:
+  override:
+    - GOOS=linux GOARCH=amd64 go test -v ./...
+    - GOOS=linux GOARCH=386 go get -v ./...
+    - GOOS=linux GOARCH=arm GOARM=7 go get -v ./...
+    - GOOS=freebsd GOARCH=amd64 go get -v ./...
+    - GOOS=windows GOARCH=amd64 go get -v ./...
+    - GOOS=darwin GOARCH=amd64 go get -v ./...
diff --git a/process/process_darwin.go b/process/process_darwin.go
index 91543e1..a09650d 100644
--- a/process/process_darwin.go
+++ b/process/process_darwin.go
@@ -4,6 +4,7 @@ package process
 
 import (
 	"bytes"
+	"encoding/binary"
 	"fmt"
 	"os/exec"
 	"strconv"
@@ -362,7 +363,7 @@ func parseKinfoProc(buf []byte) (KinfoProc, error) {
 	var k KinfoProc
 	br := bytes.NewReader(buf)
 
-	err := Read(br, LittleEndian, &k)
+	err := common.Read(br, binary.LittleEndian, &k)
 	if err != nil {
 		return k, err
 	}