diff --git a/CalcPocketing.cpp b/CalcPocketing.cpp
index 4e2b791..93bece0 100644
--- a/CalcPocketing.cpp
+++ b/CalcPocketing.cpp
@@ -6541,7 +6541,7 @@ CalcSpiral( const ISurfFlatRegion* pSfrPock, const ISurfFlatRegion* pSfrOrig, co
       }
      // se non ho Chunks e devo usare un Offset più piccolo...
       else if ( ! bSmallRad) {
-         if ( PockParams.dRad < EPS_SMALL)
+         if ( PockParams.dRad < EPS_SMALL  ||  PockParams.bPolishing)
             break ;
          dOffs = dOffsPrec + ( nIter == 0 ? PockParams.dRad + PockParams.dRadialOffset : PockParams.dRad) ;
       }