diff --git a/windows.cpp b/windows.cpp
index 4b45df0b..9e0777ac 100644
--- a/windows.cpp
+++ b/windows.cpp
@@ -67,8 +67,20 @@ LRESULT APIENTRY WndProc( HWND hWnd, // handle for this window
         }
 		case WM_KEYDOWN:
 		case WM_KEYUP: {
-			lParam &= ~0x1ff0000;
-			lParam |= MapVirtualKey(MAPVK_VK_TO_VSC, wParam) << 16;
+			if (wParam == VK_INSERT || wParam == VK_DELETE || wParam == VK_HOME || wParam == VK_END || wParam == VK_PRIOR || wParam == VK_NEXT)
+				lParam &= ~0x1ff0000;
+			if (wParam == VK_INSERT)				
+				lParam |= 0x152 << 16;
+			if (wParam == VK_DELETE)				
+				lParam |= 0x153 << 16;
+			if (wParam == VK_HOME)				
+				lParam |= 0x147 << 16;
+			if (wParam == VK_END)				
+				lParam |= 0x14F << 16;
+			if (wParam == VK_PRIOR)				
+				lParam |= 0x149 << 16;
+			if (wParam == VK_NEXT)				
+				lParam |= 0x151 << 16;
 			break;
 		}
     }