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-rw-r--r--src/window.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/window.cpp b/src/window.cpp
index 224031a2e..873bfa616 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -199,6 +199,9 @@ void Window::RaiseButtons(bool autoraise)
*/
void Window::SetWidgetDirty(byte widget_index) const
{
+ /* Sometimes this function is called before the window is even fully initialized */
+ if (this->nested_array == NULL) return;
+
this->nested_array[widget_index]->SetDirty(this);
}