diff --git a/gomock/controller_test.go b/gomock/controller_test.go
index d2d4e2c..c3a7cf0 100644
--- a/gomock/controller_test.go
+++ b/gomock/controller_test.go
@@ -23,6 +23,7 @@ import (
 	"github.com/google/go-cmp/cmp/cmpopts"
 
 	"go.uber.org/mock/gomock"
+	"github.com/google/go-cmp/cmp/cmpopts"
 )
 
 type ErrorReporter struct {