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-rw-r--r--plugins/Exchange/src/dlg_handlers.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/plugins/Exchange/src/dlg_handlers.cpp b/plugins/Exchange/src/dlg_handlers.cpp
index 7e9fdb0754..1292a143aa 100644
--- a/plugins/Exchange/src/dlg_handlers.cpp
+++ b/plugins/Exchange/src/dlg_handlers.cpp
@@ -148,6 +148,8 @@ INT_PTR CALLBACK DlgProcOptions(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lPara
void AddAnchorWindowToDeferList(HDWP &hdWnds, HWND window, RECT *rParent, WINDOWPOS *wndPos, int anchors)
{
+ if (NULL == window) /* Wine fix. */
+ return;
RECT rChild = AnchorCalcPos(window, rParent, wndPos, anchors);
hdWnds = DeferWindowPos(hdWnds, window, HWND_NOTOPMOST, rChild.left, rChild.top, rChild.right - rChild.left, rChild.bottom - rChild.top, SWP_NOZORDER);
}