diff --git a/internal/cbackend/cbackend.go b/internal/cbackend/cbackend.go
index ab2cafca2..5421afcda 100644
--- a/internal/cbackend/cbackend.go
+++ b/internal/cbackend/cbackend.go
@@ -66,6 +66,8 @@ import (
 	"reflect"
 	"time"
 	"unsafe"
+
+	"github.com/hajimehoshi/ebiten/v2/internal/ui"
 )
 
 type Gamepad struct {