diff --git a/EGkCalcPocketing.h b/EGkCalcPocketing.h
index 5927da6..219ffe2 100644
--- a/EGkCalcPocketing.h
+++ b/EGkCalcPocketing.h
@@ -25,8 +25,9 @@
 #endif
 
 //-----------------------------------------------------------------------------
-EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadOffs, double dStep, double dAngle, int nType,
-                               bool bSmooth, bool bInvert, bool bAvoidOpt, ISurfFlatRegion* pSfrLimit, ICRVCOMPOPOVECTOR& vCrv) ;
+EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadOffs, double dStep,
+                               double dAngle, int nType, bool bSmooth, bool bInvert, bool bAvoidOpt,
+                               bool bAllowZigZagOneWayBorders, const ISurfFlatRegion* pSfrLimit, ICRVCOMPOPOVECTOR& vCrv) ;
 EGK_EXPORT bool CalcZigZagInfill( const ISurfFlatRegion* pSfr, double dStep, bool bSmooth, bool bRemoveOverlapLink,
                                   ICRVCOMPOPOVECTOR& vCrvCompoRes) ;