diff --git a/EGkCalcPocketing.h b/EGkCalcPocketing.h
index f1f3334..dd57d4e 100644
--- a/EGkCalcPocketing.h
+++ b/EGkCalcPocketing.h
@@ -25,7 +25,7 @@
 #endif
 
 //-----------------------------------------------------------------------------
-EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dStep, double dAngle, int nType,
+EGK_EXPORT bool CalcPocketing( const ISurfFlatRegion* pSfr, double dRad, double dRadOffs, double dStep, double dAngle, int nType,
                                bool bSmooth, ICRVCOMPOPOVECTOR& vCrv) ;
 EGK_EXPORT bool CalcZigZagInfill( const ISurfFlatRegion* pSfr, double dStep, bool bSmooth, bool bRemoveOverlapLink,
                                   ICRVCOMPOPOVECTOR& vCrvCompoRes) ;