diff --git a/svx/source/svdraw/svdmark.cxx b/svx/source/svdraw/svdmark.cxx
index 9d63bfbeb112..7a76fd4d1401 100644
--- a/svx/source/svdraw/svdmark.cxx
+++ b/svx/source/svdraw/svdmark.cxx
@@ -179,8 +179,9 @@ void SdrMarkList::ImpForceSort()
             if(maList.size() > 1)
             {
                 SdrMark* pAkt = maList.back();
-                for (size_t i = maList.size() - 2; i; --i)
+                for (size_t count = maList.size() - 1; count; --count)
                 {
+                    size_t i = count - 1;
                     SdrMark* pCmp = maList[i];
                     if(pAkt->GetMarkedSdrObj() == pCmp->GetMarkedSdrObj() && pAkt->GetMarkedSdrObj())
                     {