diff --git a/implementations/Crafter.Graphics-Window.cpp b/implementations/Crafter.Graphics-Window.cpp
index 8523190..aad5bce 100644
--- a/implementations/Crafter.Graphics-Window.cpp
+++ b/implementations/Crafter.Graphics-Window.cpp
@@ -191,6 +191,7 @@ CrafterKeys vk_to_crafter_key(WPARAM vk)
         case VK_SCROLL:    return CrafterKeys::ScrollLock;
 
         // Modifiers
+        case VK_SHIFT:    return CrafterKeys::LeftShift;
         case VK_LSHIFT:    return CrafterKeys::LeftShift;
         case VK_RSHIFT:    return CrafterKeys::RightShift;
         case VK_LCONTROL:  return CrafterKeys::LeftCtrl;