diff --git a/diffscan.c b/diffscan.c
index 08fd95d3..8639134e 100644
--- a/diffscan.c
+++ b/diffscan.c
@@ -15,6 +15,8 @@
 #include "drive.h"
 #include "counter.h"
 
+extern double DoubleTime(void);
+
 #define DIFFMONITOR 0
 #define SKIP 1
 
@@ -259,12 +261,27 @@ static int DiffScanTask(void *pData){
   char pBueffel[255];
   long rawCount, rawMon;
   CountEntry rawCopy;
+  double now;
 
   pDiffScan self = (pDiffScan)pData;
 
   /*
     manage skip
   */
+#if 1
+  now = DoubleTime();
+  if(self->skip > 0) {
+    if (now - self->last_report_time < 0.001 * self->skip) {
+      return 1;
+    }
+  }
+  else {
+    if (now - self->last_report_time < 0.1) {
+      return 1;
+    }
+  }
+  self->last_report_time = now;
+#else
   if(self->skip > 0){
     if(self->skipCount > self->skip){
       self->skipCount = 0;
@@ -273,6 +290,7 @@ static int DiffScanTask(void *pData){
       return 1;
     }
   }
+#endif
 
   /*
     read motor status
@@ -353,6 +371,7 @@ int RunDiffScan(pDiffScan self, pScanData pScan,
   if(StartDiffScan(self,pScan,pCon,fEnd) != 1) {
     return 0;
   }
+  self->last_report_time = DoubleTime();
   InvokeCallBack(self->scanObject->pCall,SCANSTART,self->scanObject);
 
   
diff --git a/diffscan.h b/diffscan.h
index 17fa5e4f..847ed3cf 100644
--- a/diffscan.h
+++ b/diffscan.h
@@ -22,6 +22,7 @@ typedef struct {
         int skip;
         int skipCount;
         pScanData scanObject;
+        double last_report_time;
         } DiffScan, *pDiffScan;
  
 /*==================================================================*/