diff --git a/JFMC_CalibWriter.cpp b/JFMC_CalibWriter.cpp
index b15f777..210ec56 100644
--- a/JFMC_CalibWriter.cpp
+++ b/JFMC_CalibWriter.cpp
@@ -263,7 +263,7 @@ int main(int argc, char* argv[]) {
     defaultG2 = g2histall->GetBinCenter(g2histall->GetMaximumBin());
   }
 
-  cout << "default values for module " << module_str << " " << defaultHG0 << " " << defaultG0 << " " << defaultG1 << " " << defaultG2 << endl;
+  cout << setprecision(4) << fixed  << "default values for module " << module_str << " " << defaultHG0 << " " << defaultG0 << " " << defaultG1 << " " << defaultG2 << endl;
 
   for (int i = 0; i < NCH; i++) {