diff --git a/Hadrons/Application.cc b/Hadrons/Application.cc
index e6fb85fa..d3da1b54 100644
--- a/Hadrons/Application.cc
+++ b/Hadrons/Application.cc
@@ -165,12 +165,13 @@ void Application::parseParameterFile(const std::string parameterFileName)
     pop(reader);
 }
 
-void Application::saveParameterFile(const std::string parameterFileName)
+void Application::saveParameterFile(const std::string parameterFileName, unsigned int prec)
 {
     LOG(Message) << "Saving application to '" << parameterFileName << "'..." << std::endl;
     if (env().getGrid()->IsBoss())
     {
         XmlWriter          writer(parameterFileName);
+        writer.setPrecision(prec);
         ObjectId           id;
         const unsigned int nMod = vm().getNModule();
 
diff --git a/Hadrons/Application.hpp b/Hadrons/Application.hpp
index 1fc8c146..36903e88 100644
--- a/Hadrons/Application.hpp
+++ b/Hadrons/Application.hpp
@@ -79,7 +79,7 @@ public:
     void run(void);
     // XML parameter file I/O
     void parseParameterFile(const std::string parameterFileName);
-    void saveParameterFile(const std::string parameterFileName);
+    void saveParameterFile(const std::string parameterFileName, unsigned int prec=15);
     // schedule computation
     void schedule(void);
     void saveSchedule(const std::string filename);