Better filtering

diff --git a/scripts/removeDRCcells.pl b/scripts/removeDRCcells.pl
index 75804df..53599cf 100644
--- a/scripts/removeDRCcells.pl
+++ b/scripts/removeDRCcells.pl

@@ -19,6 +19,7 @@
     print "Warning: Could not find DRC: $STDCELLLIB/$cell.drc $!\n";
     $drc=1;
   }
+  $drc=1 if(!-f "$STDCELLLIB/Catalog/$cell.mag");
   if($drc)
   {
     print "Removing cell with $drc DRC issues: $cell\n";