diff --git a/src/Platform/NaClApplication.h b/src/Platform/NaClApplication.h
index 162c140a2..104e16e2c 100644
--- a/src/Platform/NaClApplication.h
+++ b/src/Platform/NaClApplication.h
@@ -439,7 +439,7 @@ class NaClApplication::InputEvent {
         constexpr Modifiers modifiers() const { return _modifiers; }
 
         /** @brief Mouse buttons */
-        constexpr Buttons buttons() const { return Buttons(_modifiers); }
+        constexpr Buttons buttons() const { return Button(static_cast<std::uint32_t>(_modifiers)); }
 
         /**
          * @brief Set event as accepted