Index: oox/source/ppt/presentationfragmenthandler.cxx
===================================================================
--- oox/source/ppt/presentationfragmenthandler.cxx	(revision 1578958)
+++ oox/source/ppt/presentationfragmenthandler.cxx	(working copy)
@@ -273,6 +273,9 @@
 							SlidePersistPtr pNotesMasterPersistPtr( new SlidePersist( rFilter, sal_True/*sal_False*/, sal_True, xNotesPage,
 								ShapePtr( new PPTShape( Slide, "com.sun.star.drawing.GroupShape" ) ), mpTextListStyle ) );
 							FragmentHandlerRef xNotesMasterFragmentHandler( new SlideFragmentHandler( getFilter(), aNotesMasterFragmentPath, pNotesMasterPersistPtr, Slide ) );
+
+                            // TODO: Theme support is missing, theme pointer in SlidePersist is null and used later
+                            
 							importSlide( xNotesMasterFragmentHandler, pNotesMasterPersistPtr );
 							pNotesMasterPersistPtr->createXShapes( rFilter );
 							pNotesPersistPtr->setMasterPersist(pNotesMasterPersistPtr);
Index: oox/source/ppt/slidefragmenthandler.cxx
===================================================================
--- oox/source/ppt/slidefragmenthandler.cxx	(revision 1578958)
+++ oox/source/ppt/slidefragmenthandler.cxx	(working copy)
@@ -141,10 +141,15 @@
 
 	case PPT_TOKEN( bgRef ):			// a:CT_StyleMatrixReference
 		{
-			FillPropertiesPtr pFillPropertiesPtr( new FillProperties(
-				*mpSlidePersistPtr->getTheme()->getFillStyle( xAttribs->getOptionalValue( XML_idx ).toInt32() ) ) );
-			xRet.set( new ColorContext( *this, mpSlidePersistPtr->getBackgroundColor() ) );
-			mpSlidePersistPtr->setBackgroundProperties( pFillPropertiesPtr );
+            oox::drawingml::ThemePtr pTheme = mpSlidePersistPtr->getTheme();
+            if (pTheme)
+            {
+                FillPropertiesPtr pFillPropertiesPtr( new FillProperties(
+				    *pTheme->getFillStyle( xAttribs->getOptionalValue( XML_idx ).toInt32() ) ) );
+                mpSlidePersistPtr->setBackgroundProperties( pFillPropertiesPtr );
+            }
+            xRet.set( new ColorContext( *this, mpSlidePersistPtr->getBackgroundColor() ) );
+                
 		}
 		break;