diff --git a/opm/simulators/wells/WellGroupHelpers.cpp b/opm/simulators/wells/WellGroupHelpers.cpp
index df03d8d13..1f5136570 100644
--- a/opm/simulators/wells/WellGroupHelpers.cpp
+++ b/opm/simulators/wells/WellGroupHelpers.cpp
@@ -262,10 +262,6 @@ namespace WellGroupHelpers
             }
         }
 
-
-
-
-
         for (const std::string& wellName : group.wells()) {
             const auto& wellTmp = schedule.getWell(wellName, reportStepIdx);
 
@@ -734,7 +730,7 @@ namespace WellGroupHelpers
     {
         const double my_guide_rate = guideRate(name, always_included_child);
         const Group& parent_group = schedule_.getGroup(parent(name), report_step_);
-        const double total_guide_rate = guideRateSum(parent_group, always_included_child, false);
+        const double total_guide_rate = guideRateSum(parent_group, always_included_child);
         assert(total_guide_rate >= my_guide_rate);
         const double guide_rate_epsilon = 1e-12;
         return (total_guide_rate > guide_rate_epsilon) ? my_guide_rate / total_guide_rate : 0.0;
@@ -747,20 +743,20 @@ namespace WellGroupHelpers
             return schedule_.getGroup(name, report_step_).parent();
         }
     }
-    double FractionCalculator::guideRateSum(const Group& group, const std::string& always_included_child, const bool include_all)
+    double FractionCalculator::guideRateSum(const Group& group, const std::string& always_included_child)
     {
         double total_guide_rate = 0.0;
         for (const std::string& child_group : group.groups()) {
             const auto ctrl = well_state_.currentProductionGroupControl(child_group);
             const bool included = (ctrl == Group::ProductionCMode::FLD) || (ctrl == Group::ProductionCMode::NONE)
                 || (child_group == always_included_child);
-            if (included || include_all) {
+            if (included) {
                 total_guide_rate += guideRate(child_group, always_included_child);
             }
         }
         for (const std::string& child_well : group.wells()) {
             const bool included = (well_state_.isProductionGrup(child_well)) || (child_well == always_included_child);
-            if (included || include_all) {
+            if (included) {
                 total_guide_rate += guideRate(child_well, always_included_child);
             }
         }
@@ -778,7 +774,7 @@ namespace WellGroupHelpers
                     // We are a group, with default guide rate.
                     // Compute guide rate by accumulating our children's guide rates.
                     const Group& group = schedule_.getGroup(name, report_step_);
-                    return guideRateSum(group, always_included_child, false);
+                    return guideRateSum(group, always_included_child);
                 }
             } else {
                 // No group-controlled subordinate wells.
@@ -1169,7 +1165,9 @@ namespace WellGroupHelpers
                 // calculation of reductions.
                 const int num_gr_ctrl = groupControlledWells(schedule, wellState, reportStepIdx, chain[ii + 1], "");
                 if (num_gr_ctrl == 0) {
-                    target += localReduction(chain[ii + 1]);
+                    if (guideRate->has(chain[ii + 1])) {
+                        target += localReduction(chain[ii + 1]);
+                    }
                 }
             }
             target *= localFraction(chain[ii + 1]);
diff --git a/opm/simulators/wells/WellGroupHelpers.hpp b/opm/simulators/wells/WellGroupHelpers.hpp
index f73b75f54..22dd5cded 100644
--- a/opm/simulators/wells/WellGroupHelpers.hpp
+++ b/opm/simulators/wells/WellGroupHelpers.hpp
@@ -302,7 +302,7 @@ namespace WellGroupHelpers
 
     private:
         std::string parent(const std::string& name);
-        double guideRateSum(const Group& group, const std::string& always_included_child, const bool include_all);
+        double guideRateSum(const Group& group, const std::string& always_included_child);
         double guideRate(const std::string& name, const std::string& always_included_child);
         int groupControlledWells(const std::string& group_name, const std::string& always_included_child);
         GuideRate::RateVector getGroupRateVector(const std::string& group_name);