diff --git a/sd/qa/unit/import-tests.cxx b/sd/qa/unit/import-tests.cxx
index f7d3b4f13d1e..8f40354ea7aa 100644
--- a/sd/qa/unit/import-tests.cxx
+++ b/sd/qa/unit/import-tests.cxx
@@ -275,6 +275,7 @@ void SdFiltersTest::testN828390_3()
 
     SdrObject *pObj = pPage->GetObj(0);
     SdrTextObj *pTxtObj = dynamic_cast<SdrTextObj *>( pObj );
+    CPPUNIT_ASSERT( pTxtObj );
     const EditTextObject& aEdit = pTxtObj->GetOutlinerParaObject()->GetTextObject();
     std::vector<EECharAttrib> rLst;
     aEdit.GetCharAttribs(1, rLst);