diff --git a/src/classes/PMsrHandler.cpp b/src/classes/PMsrHandler.cpp
index afac766b..67c59201 100644
--- a/src/classes/PMsrHandler.cpp
+++ b/src/classes/PMsrHandler.cpp
@@ -1089,11 +1089,11 @@ Int_t PMsrHandler::WriteMsrLogFile(const Bool_t messages)
         } else if (sstr.BeginsWith("range_for_phase_correction")) {
           fout << "range_for_phase_correction  " << fFourier.fRangeForPhaseCorrection[0] << "    " << fFourier.fRangeForPhaseCorrection[1] << endl;
         } else if (sstr.BeginsWith("range ")) {
-          fout.unsetf(ios::floatfield);
+          fout.setf(ios::fixed,ios::floatfield);
           neededPrec = LastSignificant(fFourier.fPlotRange[0]);
           if (LastSignificant(fFourier.fPlotRange[1]) > neededPrec)
             neededPrec = LastSignificant(fFourier.fPlotRange[1]);
-          fout.precision(neededPrec+1);
+          fout.precision(neededPrec);
           fout << "range            " << fFourier.fPlotRange[0] << "    " << fFourier.fPlotRange[1] << endl;
         } else {
           fout << str.Data() << endl;
@@ -1976,11 +1976,11 @@ Int_t PMsrHandler::WriteMsrFile(const Char_t *filename, map<UInt_t, TString> *co
 
     // range
     if ((fFourier.fPlotRange[0] != -1.0) || (fFourier.fPlotRange[1] != -1.0)) {
-      fout.unsetf(ios::floatfield);
+      fout.setf(ios::fixed,ios::floatfield);
       UInt_t neededPrec = LastSignificant(fFourier.fPlotRange[0]);
       if (LastSignificant(fFourier.fPlotRange[1]) > neededPrec)
         neededPrec = LastSignificant(fFourier.fPlotRange[1]);
-      fout.precision(neededPrec+1);
+      fout.precision(neededPrec);
       fout << "range            " << fFourier.fPlotRange[0] << "    " << fFourier.fPlotRange[1] << endl;
     }