diff --git a/pyqtgraph/tests/test_ref_cycles.py b/pyqtgraph/tests/test_ref_cycles.py
index 9e3fee19..0284852c 100644
--- a/pyqtgraph/tests/test_ref_cycles.py
+++ b/pyqtgraph/tests/test_ref_cycles.py
@@ -61,7 +61,17 @@ def test_ImageView():
     for i in range(5):
         assert_alldead(mkobjs())
 
+def test_GraphicsWindow():
+    def mkobjs():
+        w = pg.GraphicsWindow()
+        p1 = w.addPlot()
+        v1 = w.addViewBox()
+        return mkrefs(w, p1, v1)
+    
+    for i in range(5):
+        assert_alldead(mkobjs())
 
     
+    
 if __name__ == '__main__':
     ot = test_PlotItem()