diff --git a/dune/perftool/common/opcounter.hh b/dune/perftool/common/opcounter.hh
index 48d4c11c732567b7ed5d3c59a28fe9785a4e2798..dbdb595cd39f65a98f43ffdabecd7ab31a83a2c0 100644
--- a/dune/perftool/common/opcounter.hh
+++ b/dune/perftool/common/opcounter.hh
@@ -154,7 +154,7 @@ namespace oc {
       }
 
       template<typename Stream>
-      void reportOperations(Stream& os, bool doReset = false)
+      void reportOperations(Stream& os, std::string exec, std::string kernel, bool doReset = false)
       {
         auto total = addition_count + multiplication_count + division_count + exp_count + pow_count + sin_count + sqrt_count + comparison_count;
         if (total == 0)