diff --git a/EGkCalcPocketing.h b/EGkCalcPocketing.h
index dd57d4e..8335277 100644
--- a/EGkCalcPocketing.h
+++ b/EGkCalcPocketing.h
@@ -26,7 +26,7 @@
 
 //-----------------------------------------------------------------------------
 EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadOffs, double dStep, double dAngle, int nType,
-                               bool bSmooth, ICRVCOMPOPOVECTOR& vCrv) ;
+                               bool bSmooth, ISurfFlatRegion* pSfrLimit, ICRVCOMPOPOVECTOR& vCrv) ;
 EGK_EXPORT bool CalcZigZagInfill( const ISurfFlatRegion* pSfr, double dStep, bool bSmooth, bool bRemoveOverlapLink,
                                   ICRVCOMPOPOVECTOR& vCrvCompoRes) ;