diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 217d837291..22f1b2f29f 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -3117,6 +3117,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
                     case VK_SUBTRACT:
                     case VK_MULTIPLY:
                     case VK_DIVIDE:
+                    case VK_DECIMAL:
                     case VK_NUMPAD0:
                     case VK_NUMPAD1:
                     case VK_NUMPAD2: