diff --git a/filter/source/msfilter/svdfppt.cxx b/filter/source/msfilter/svdfppt.cxx
index 6bc4cd6edc40..18e380df0bc3 100644
--- a/filter/source/msfilter/svdfppt.cxx
+++ b/filter/source/msfilter/svdfppt.cxx
@@ -5321,7 +5321,7 @@ PPTPortionObj::PPTPortionObj( const PPTCharPropSet& rCharPropSet, const PPTStyle
     PPTCharPropSet  ( rCharPropSet ),
     mrStyleSheet    ( rStyleSheet ),
     mnInstance      ( nInstance ),
-    mnDepth         ( nDepth )
+    mnDepth         ( ( nDepth > 4 ) ? 4 : nDepth )
 {
 }