diff --git a/dune/perftool/common/tsc.cc b/dune/perftool/common/tsc.cc
index 320a14afe9b3f26c2f946db7ad1f48a654bb5b8f..3459b95ff8b9cf3d493f32896193ab0215e9c0b1 100644
--- a/dune/perftool/common/tsc.cc
+++ b/dune/perftool/common/tsc.cc
@@ -173,9 +173,9 @@ namespace Dune {
             {
               std::string calibration_method = params->get<std::string>("calibration_method","min");
               if (calibration_method == "min")
-                _overhead = impl::calibrate_tsc_overhead_min(params->get<std::size_t>("calibration_iterations",TSC::calibrationIterations));
+                _overhead = impl::calibrate_tsc_overhead_min(params->get<std::size_t>("calibration_iterations",TSC::calibrationIterations()));
               else if (calibration_method == "median")
-                _overhead = impl::calibrate_tsc_overhead_median(params->get<std::size_t>("calibration_iterations",TSC::calibrationIterations));
+                _overhead = impl::calibrate_tsc_overhead_median(params->get<std::size_t>("calibration_iterations",TSC::calibrationIterations()));
               else
                 DUNE_THROW(TSCError,"Unknown TSC calibration method " << calibration_method);
             }
@@ -185,7 +185,7 @@ namespace Dune {
       else
         {
           _frequency = impl::get_tsc_frequency();
-          _overhead = impl::calibrate_tsc_overhead_min(TSC::calibrationIterations);
+          _overhead = impl::calibrate_tsc_overhead_min(TSC::calibrationIterations());
         }
       _scale_factor = 1.0 / _frequency;
     }
diff --git a/dune/perftool/common/tsc.hh b/dune/perftool/common/tsc.hh
index 57183d90234a9b9f7c3992095f133363a4829ec9..207ec54ee2fac2a1cad72b877c55b91f6f325d6c 100644
--- a/dune/perftool/common/tsc.hh
+++ b/dune/perftool/common/tsc.hh
@@ -18,7 +18,10 @@ namespace Dune {
 
       using Counter = std::uint64_t;
 
-      static constexpr std::size_t calibrationIterations = 100000;
+      static constexpr std::size_t calibrationIterations()
+      {
+        return 100000;
+      }
 
       static Counter start()
       {