diff --git a/evcontroller.c b/evcontroller.c
index f1d2c593..50d2ab1c 100644
--- a/evcontroller.c
+++ b/evcontroller.c
@@ -971,12 +971,15 @@ static void ErrReport(pEVControl self)
   {
      ObPar *pPar = NULL;
      char pBueffel[512];
-     int iRet;
+     int iRet, savedStatus;
      
      assert(self);
      assert(pCon);
      
+     savedStatus = GetStatus(); /* fool status check in ObParSet (avoid "Cannot change parameter while running" message */
+     SetStatus(eBatch);
      iRet = ObParSet(self->pParam,self->pName,name,fVal,pCon);
+     SetStatus(savedStatus);
      if(!iRet)
      {
        return iRet;