diff --git a/fitcenter.h b/fitcenter.h
index 1d892d61..bce6fc27 100644
--- a/fitcenter.h
+++ b/fitcenter.h
@@ -36,5 +36,9 @@
                  int argc, char *argv[]);
   int CenterWrapper(SConnection *pCon,SicsInterp *pSics, void *pData,
                  int argc, char *argv[]);
+ 
+  //Jing: smmoth scan data before applying peak-search function 
+  void SmoothScanCounts(long *lData, int iDataLen);
+
 
 #endif