diff --git a/rt2d/input.h b/rt2d/input.h
index 6ffaa31f..fcd34c23 100644
--- a/rt2d/input.h
+++ b/rt2d/input.h
@@ -34,7 +34,7 @@
 */
 
 /// @brief KeyCode used by Input
-enum KeyCode
+enum class KeyCode
 {
 	Space = 32,
 	Apostrophe = 39,