diff --git a/opm/autodiff/StandardWellsDense_impl.hpp b/opm/autodiff/StandardWellsDense_impl.hpp
index 84d47d00d..295add6ac 100644
--- a/opm/autodiff/StandardWellsDense_impl.hpp
+++ b/opm/autodiff/StandardWellsDense_impl.hpp
@@ -451,9 +451,13 @@ namespace Opm {
         } while (it < 15);
 
         if (converged) {
-            OpmLog::debug("Well equation solution gets converged with " + std::to_string(it) + " iterations");
+            if ( terminal_output_ ) {
+                OpmLog::debug("Well equation solution gets converged with " + std::to_string(it) + " iterations");
+            }
         } else {
-            OpmLog::debug("Well equation solution failed in getting converged with " + std::to_string(it) + " iterations");
+            if ( terminal_output_ ) {
+                OpmLog::debug("Well equation solution failed in getting converged with " + std::to_string(it) + " iterations");
+            }
 
             well_state = well_state0;
             updatePrimaryVariables(well_state);