diff --git a/opm/simulators/wells/StandardWellGeneric.cpp b/opm/simulators/wells/StandardWellGeneric.cpp
index c3bda8bee..1072e10a8 100644
--- a/opm/simulators/wells/StandardWellGeneric.cpp
+++ b/opm/simulators/wells/StandardWellGeneric.cpp
@@ -393,47 +393,6 @@ computeBhpAtThpLimitInj(const std::function<std::vector<double>(const double)>&
     }
 }
 
-template<class Scalar>
-void
-StandardWellGeneric<Scalar>::
-checkConvergencePolyMW(const std::vector<double>& res,
-                       ConvergenceReport& report,
-                       const double maxResidualAllowed) const
-{
-  if (baseif_.isInjector()) {
-      //  checking the convergence of the perforation rates
-      const double wat_vel_tol = 1.e-8;
-      const int dummy_component = -1;
-      using CR = ConvergenceReport;
-      const auto wat_vel_failure_type = CR::WellFailure::Type::MassBalance;
-      for (int perf = 0; perf < baseif_.numPerfs(); ++perf) {
-          const double wat_vel_residual = res[Bhp_ + 1 + perf];
-          if (std::isnan(wat_vel_residual)) {
-              report.setWellFailed({wat_vel_failure_type, CR::Severity::NotANumber, dummy_component, baseif_.name()});
-          } else if (wat_vel_residual > maxResidualAllowed * 10.) {
-              report.setWellFailed({wat_vel_failure_type, CR::Severity::TooLarge, dummy_component, baseif_.name()});
-          } else if (wat_vel_residual > wat_vel_tol) {
-              report.setWellFailed({wat_vel_failure_type, CR::Severity::Normal, dummy_component, baseif_.name()});
-          }
-      }
-
-      // checking the convergence of the skin pressure
-      const double pskin_tol = 1000.; // 1000 pascal
-      const auto pskin_failure_type = CR::WellFailure::Type::Pressure;
-      for (int perf = 0; perf < baseif_.numPerfs(); ++perf) {
-          const double pskin_residual = res[Bhp_ + 1 + perf + baseif_.numPerfs()];
-          if (std::isnan(pskin_residual)) {
-              report.setWellFailed({pskin_failure_type, CR::Severity::NotANumber, dummy_component, baseif_.name()});
-          } else if (pskin_residual > maxResidualAllowed * 10.) {
-              report.setWellFailed({pskin_failure_type, CR::Severity::TooLarge, dummy_component, baseif_.name()});
-          } else if (pskin_residual > pskin_tol) {
-              report.setWellFailed({pskin_failure_type, CR::Severity::Normal, dummy_component, baseif_.name()});
-          }
-      }
-  }
-}
-
-
 template<class Scalar>
 void
 StandardWellGeneric<Scalar>::
diff --git a/opm/simulators/wells/StandardWellGeneric.hpp b/opm/simulators/wells/StandardWellGeneric.hpp
index de73cbff2..150edbf1f 100644
--- a/opm/simulators/wells/StandardWellGeneric.hpp
+++ b/opm/simulators/wells/StandardWellGeneric.hpp
@@ -85,10 +85,6 @@ protected:
                                const double bhp,
                                DeferredLogger& deferred_logger) const;
 
-    void checkConvergencePolyMW(const std::vector<double>& res,
-                                ConvergenceReport& report,
-                                const double maxResidualAllowed) const;
-
     void computeConnectionPressureDelta();
 
     std::optional<double> computeBhpAtThpLimitInj(const std::function<std::vector<double>(const double)>& frates,
diff --git a/opm/simulators/wells/StandardWell_impl.hpp b/opm/simulators/wells/StandardWell_impl.hpp
index be2edbe16..5aa155d60 100644
--- a/opm/simulators/wells/StandardWell_impl.hpp
+++ b/opm/simulators/wells/StandardWell_impl.hpp
@@ -23,6 +23,7 @@
 #include <opm/simulators/utils/DeferredLoggingErrorHelpers.hpp>
 #include <opm/simulators/linalg/SmallDenseMatrixUtils.hpp>
 #include <opm/simulators/wells/VFPHelpers.hpp>
+#include <opm/simulators/wells/WellConvergence.hpp>
 
 #include <algorithm>
 #include <functional>
@@ -2501,7 +2502,8 @@ namespace Opm
 
         // checking the convergence of the extra equations related to polymer injectivity
         if constexpr (Base::has_polymermw) {
-            this->checkConvergencePolyMW(res, report, this->param_.max_residual_allowed_);
+            WellConvergence(*this).
+                checkConvergencePolyMW(res, Bhp, this->param_.max_residual_allowed_, report);
         }
     }
 
diff --git a/opm/simulators/wells/WellConvergence.cpp b/opm/simulators/wells/WellConvergence.cpp
index be5c1195c..b922de0e8 100644
--- a/opm/simulators/wells/WellConvergence.cpp
+++ b/opm/simulators/wells/WellConvergence.cpp
@@ -115,4 +115,44 @@ checkConvergenceControlEq(const WellState& well_state,
     }
 }
 
+void
+WellConvergence::
+checkConvergencePolyMW(const std::vector<double>& res,
+                       const int Bhp,
+                       const double maxResidualAllowed,
+                       ConvergenceReport& report) const
+{
+  if (well_.isInjector()) {
+      //  checking the convergence of the perforation rates
+      const double wat_vel_tol = 1.e-8;
+      const int dummy_component = -1;
+      using CR = ConvergenceReport;
+      const auto wat_vel_failure_type = CR::WellFailure::Type::MassBalance;
+      for (int perf = 0; perf < well_.numPerfs(); ++perf) {
+          const double wat_vel_residual = res[Bhp + 1 + perf];
+          if (std::isnan(wat_vel_residual)) {
+              report.setWellFailed({wat_vel_failure_type, CR::Severity::NotANumber, dummy_component, well_.name()});
+          } else if (wat_vel_residual > maxResidualAllowed * 10.) {
+              report.setWellFailed({wat_vel_failure_type, CR::Severity::TooLarge, dummy_component, well_.name()});
+          } else if (wat_vel_residual > wat_vel_tol) {
+              report.setWellFailed({wat_vel_failure_type, CR::Severity::Normal, dummy_component, well_.name()});
+          }
+      }
+
+      // checking the convergence of the skin pressure
+      const double pskin_tol = 1000.; // 1000 pascal
+      const auto pskin_failure_type = CR::WellFailure::Type::Pressure;
+      for (int perf = 0; perf < well_.numPerfs(); ++perf) {
+          const double pskin_residual = res[Bhp + 1 + perf + well_.numPerfs()];
+          if (std::isnan(pskin_residual)) {
+              report.setWellFailed({pskin_failure_type, CR::Severity::NotANumber, dummy_component, well_.name()});
+          } else if (pskin_residual > maxResidualAllowed * 10.) {
+              report.setWellFailed({pskin_failure_type, CR::Severity::TooLarge, dummy_component, well_.name()});
+          } else if (pskin_residual > pskin_tol) {
+              report.setWellFailed({pskin_failure_type, CR::Severity::Normal, dummy_component, well_.name()});
+          }
+      }
+  }
+}
+
 }
diff --git a/opm/simulators/wells/WellConvergence.hpp b/opm/simulators/wells/WellConvergence.hpp
index 5d1d4a5d4..82f97aa99 100644
--- a/opm/simulators/wells/WellConvergence.hpp
+++ b/opm/simulators/wells/WellConvergence.hpp
@@ -55,6 +55,11 @@ public:
                                    ConvergenceReport& report,
                                    DeferredLogger& deferred_logger) const;
 
+    void checkConvergencePolyMW(const std::vector<double>& res,
+                                const int Bhp,
+                                const double maxResidualAllowed,
+                                ConvergenceReport& report) const;
+
 private:
     const WellInterfaceGeneric& well_;
 };