diff --git a/internal/ui/input.go b/internal/ui/input.go
index 66327d9d6..81e738e34 100644
--- a/internal/ui/input.go
+++ b/internal/ui/input.go
@@ -105,8 +105,8 @@ func (i *input) IsGamepadButtonPressed(id int, button GamepadButton) bool {
 }
 
 func (in *input) Touches() []Touch {
-	i.m.RLock()
-	defer i.m.RUnlock()
+	in.m.RLock()
+	defer in.m.RUnlock()
 	t := make([]Touch, len(in.touches))
 	for i := 0; i < len(t); i++ {
 		t[i] = &in.touches[i]