1 files changed, 2 insertions, 0 deletions
diff --git a/src/ui/window.cpp b/src/ui/window.cpp
index 50959c91..86ae13a5 100644
--- a/src/ui/window.cpp
+++ b/src/ui/window.cpp
@@ -347,6 +347,8 @@ namespace cru
 
         Point Window::GetMousePosition()
         {
+            if (!IsWindowValid())
+                return Point::Zero();
             POINT point;
             ::GetCursorPos(&point);
             ::ScreenToClient(hwnd_, &point);