2 files changed, 2 insertions, 0 deletions
diff --git a/Servers/WindowServer/Window.cpp b/Servers/WindowServer/Window.cpp
index 5455d53b1d..a25cc5aa0c 100644
--- a/Servers/WindowServer/Window.cpp
+++ b/Servers/WindowServer/Window.cpp
@@ -96,6 +96,7 @@ void Window::set_title(const String& title)
 
 void Window::set_rect(const Gfx::Rect& rect)
 {
+    ASSERT(!rect.is_empty());
     Gfx::Rect old_rect;
     if (m_rect == rect)
         return;
diff --git a/Servers/WindowServer/Window.h b/Servers/WindowServer/Window.h
index a3c1667d66..394f85a781 100644
--- a/Servers/WindowServer/Window.h
+++ b/Servers/WindowServer/Window.h
@@ -142,6 +142,7 @@ public:
     void set_rect(int x, int y, int width, int height) { set_rect({ x, y, width, height }); }
     void set_rect_without_repaint(const Gfx::Rect& rect)
     {
+        ASSERT(!rect.is_empty());
         if (m_rect == rect)
             return;
         auto old_rect = m_rect;