diff --git a/source/EngineGpuKernels/CellFunctionProcessor.cuh b/source/EngineGpuKernels/CellFunctionProcessor.cuh
index 845c142a1..251433cda 100644
--- a/source/EngineGpuKernels/CellFunctionProcessor.cuh
+++ b/source/EngineGpuKernels/CellFunctionProcessor.cuh
@@ -130,6 +130,7 @@ __inline__ __device__ Activity CellFunctionProcessor::calcInputActivity(Cell* ce
         return result;
     }
 
+    int numSensorActivities = 0;
     for (int i = 0, j = cell->numConnections; i < j; ++i) {
         auto connectedCell = cell->connections[i].cell;
         if (connectedCell->outputBlocked || connectedCell->livingState != LivingState_Ready ) {
@@ -145,18 +146,17 @@ __inline__ __device__ Activity CellFunctionProcessor::calcInputActivity(Cell* ce
                 result.channels[i] = max(-10.0f, min(10.0f, result.channels[i])); //truncate value to avoid overflow
             }
             if (connectedCell->activity.origin == ActivityOrigin_Sensor) {
-                if (result.origin != ActivityOrigin_Sensor) {
-                    result.origin = ActivityOrigin_Sensor;
-                    result.targetX = connectedCell->activity.targetX;
-                    result.targetY = connectedCell->activity.targetY;
-                } else {
-                    result.origin = ActivityOrigin_Unknown;
-                    result.targetX = 0;
-                    result.targetY = 0;
-                }
+                result.origin = ActivityOrigin_Sensor;
+                result.targetX += connectedCell->activity.targetX;
+                result.targetY += connectedCell->activity.targetY;
+                ++numSensorActivities;
             }
         }
     }
+    if (numSensorActivities > 0) {
+        result.targetX /= numSensorActivities;
+        result.targetY /= numSensorActivities;
+    }
     return result;
 }
 
diff --git a/source/EngineGpuKernels/ConstructorProcessor.cuh b/source/EngineGpuKernels/ConstructorProcessor.cuh
index 37bbf494b..15fe71e66 100644
--- a/source/EngineGpuKernels/ConstructorProcessor.cuh
+++ b/source/EngineGpuKernels/ConstructorProcessor.cuh
@@ -157,9 +157,7 @@ __inline__ __device__ void ConstructorProcessor::processCell(SimulationData& dat
         if (isConstructionTriggered(data, cell, activity)) {
             if (tryConstructCell(data, statistics, cell, constructionData)) {
                 cellBuilt = true;
-                if (!constructionData.containsSelfReplication) {
-                    cell->cellFunctionUsed = CellFunctionUsed_Yes;
-                }
+                cell->cellFunctionUsed = CellFunctionUsed_Yes;
             } 
         }
 
@@ -764,7 +762,8 @@ __inline__ __device__ bool ConstructorProcessor::checkAndReduceHostEnergy(Simula
         }
     }
 
-    auto externalEnergyConditionalInflowFactor = cudaSimulationParameters.externalEnergyConditionalInflowFactor[hostCell->color];
+    auto externalEnergyConditionalInflowFactor =
+        cudaSimulationParameters.features.externalEnergyControl ? cudaSimulationParameters.externalEnergyConditionalInflowFactor[hostCell->color] : 0.0f;
     //if (isSelfReplicator(hostCell)) {
     //    externalEnergyConditionalInflowFactor = 0;
     //}
diff --git a/source/EngineGpuKernels/ParticleProcessor.cuh b/source/EngineGpuKernels/ParticleProcessor.cuh
index 1d4c05779..a6e8ad7d2 100644
--- a/source/EngineGpuKernels/ParticleProcessor.cuh
+++ b/source/EngineGpuKernels/ParticleProcessor.cuh
@@ -300,7 +300,7 @@ __inline__ __device__ void ParticleProcessor::radiate(SimulationData& data, floa
 
     data.cellMap.correctPosition(pos);
 
-    auto externalEnergyBackflowFactor = cudaSimulationParameters.externalEnergyBackflowFactor[color];
+    auto externalEnergyBackflowFactor = cudaSimulationParameters.features.externalEnergyControl ? cudaSimulationParameters.externalEnergyBackflowFactor[color] : 0.0f;
     auto particleEnergy =
         energy * (1.0f - externalEnergyBackflowFactor);
     if (particleEnergy > NEAR_ZERO) {
diff --git a/source/Gui/StatisticsWindow.cpp b/source/Gui/StatisticsWindow.cpp
index 23708378d..d32a61ff1 100644
--- a/source/Gui/StatisticsWindow.cpp
+++ b/source/Gui/StatisticsWindow.cpp
@@ -338,9 +338,9 @@ void _StatisticsWindow::processTimelineStatistics()
 
         ImGui::TableNextRow();
         ImGui::TableSetColumnIndex(0);
-        processPlot(row++, &DataPointCollection::deviationGenomeComplexity, 2);
+        processPlot(row++, &DataPointCollection::varianceGenomeComplexity, 2);
         ImGui::TableSetColumnIndex(1);
-        AlienImGui::Text("Genome complexity\ndeviation");
+        AlienImGui::Text("Genome complexity\nvariance");
 
         ImGui::TableNextRow();
         ImGui::TableSetColumnIndex(0);