diff --git a/opm/autodiff/StandardWellsDense_impl.hpp b/opm/autodiff/StandardWellsDense_impl.hpp
index 84d47d00d..99e3e0431 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);
@@ -496,7 +500,9 @@ namespace Opm {
 
             if (nan_residual_found) {
                 for (const auto& well : report.nan_residual_wells) {
-                    OpmLog::debug("NaN residual found with phase " + well.phase_name + " for well " + well.well_name);
+                    if ( terminal_output_ ) {
+                        OpmLog::debug("NaN residual found with phase " + well.phase_name + " for well " + well.well_name);
+                    }
                 }
                 OPM_THROW(Opm::NumericalProblem, "NaN residual found!");
             }
@@ -511,7 +517,9 @@ namespace Opm {
             too_large_residual_found = grid.comm().max(value);
             if (too_large_residual_found) {
                 for (const auto& well : report.too_large_residual_wells) {
-                    OpmLog::debug("Too large residual found with phase " + well.phase_name + " fow well " + well.well_name);
+                    if ( terminal_output_ ) {
+                        OpmLog::debug("Too large residual found with phase " + well.phase_name + " fow well " + well.well_name);
+                    }
                 }
                 OPM_THROW(Opm::NumericalProblem, "Too large residual found!");
             }