diff --git a/gin_integration_test.go b/gin_integration_test.go
index 5f508c70..41ad9874 100644
--- a/gin_integration_test.go
+++ b/gin_integration_test.go
@@ -14,6 +14,7 @@ import (
 	"net/http"
 	"net/http/httptest"
 	"os"
+	"path/filepath"
 	"sync"
 	"testing"
 	"time"
@@ -146,7 +147,7 @@ func TestRunWithPort(t *testing.T) {
 func TestUnixSocket(t *testing.T) {
 	router := New()
 
-	unixTestSocket := "/tmp/unix_unit_test"
+	unixTestSocket := filepath.Join(os.TempDir(), "unix_unit_test")
 
 	defer os.Remove(unixTestSocket)
 
diff --git a/mode.go b/mode.go
index 11f833e9..c8813aff 100644
--- a/mode.go
+++ b/mode.go
@@ -63,7 +63,7 @@ func SetMode(value string) {
 	case TestMode:
 		ginMode = testCode
 	default:
-		panic("gin mode unknown: " + value)
+		panic("gin mode unknown: " + value + " (available mode: debug release test)")
 	}
 
 	modeName = value