diff --git a/Core/Fitting/SimDataPair.cpp b/Core/Fitting/SimDataPair.cpp
index 61b016d48a6aa728b739026e8837da1a84fd8f5d..a62c28e66b0dd778a414786d2c2422a9015ae352 100644
--- a/Core/Fitting/SimDataPair.cpp
+++ b/Core/Fitting/SimDataPair.cpp
@@ -37,7 +37,7 @@ std::unique_ptr<OutputData<double>> initUserWeights(const OutputData<double>& sh
     return result;
 }
 
-bool detHasSameDimensions(const IDetector& detector, const OutputData<double>& data)
+bool haveSameDimensions(const IDetector& detector, const OutputData<double>& data)
 {
     if (data.rank() != detector.dimension())
         return false;
@@ -55,16 +55,17 @@ bool detHasSameDimensions(const IDetector& detector, const OutputData<double>& d
 
 SimulationResult convertData(const ISimulation& simulation, const OutputData<double>& data)
 {
-    const ICoordSystem* converter = simulation.createCoordSystem();
-    auto roi_data = converter->createOutputData(converter->defaultUnits());
+    const ICoordSystem* coordSystem = simulation.createCoordSystem();
+    auto roi_data = coordSystem->createOutputData(coordSystem->defaultUnits());
 
     if (roi_data->hasSameDimensions(data)) {
         // data is already cropped to ROI
         simulation.detector().iterateOverNonMaskedPoints([&](IDetector::const_iterator it) {
             (*roi_data)[it.roiIndex()] = data[it.roiIndex()];
         });
-    } else if (detHasSameDimensions(simulation.detector(), data)) {
-        // exp data has same shape as the detector, we have to put orig data to smaller roi map
+    } else if (haveSameDimensions(simulation.detector(), data)) {
+        // experimental data has same shape as the detector, we have to put orig data to smaller roi
+        // map
         simulation.detector().iterateOverNonMaskedPoints([&](IDetector::const_iterator it) {
             (*roi_data)[it.roiIndex()] = data[it.detectorIndex()];
         });
@@ -72,7 +73,7 @@ SimulationResult convertData(const ISimulation& simulation, const OutputData<dou
         throw std::runtime_error(
             "FitObject::init_dataset: Detector and experimental data have different shape");
 
-    return SimulationResult(*roi_data, std::move(converter));
+    return SimulationResult(*roi_data, std::move(coordSystem));
 }
 
 } // namespace