diff --git a/GUI/coregui/Views/FitWidgets/FitComparisonController.cpp b/GUI/coregui/Views/FitWidgets/FitComparisonController.cpp
index 1f79e59bfd58c25a654a8b2e352202a45c41d857..5d53d1c62c4f3ba0aae8d92494d6fc8ba0e06e14 100644
--- a/GUI/coregui/Views/FitWidgets/FitComparisonController.cpp
+++ b/GUI/coregui/Views/FitWidgets/FitComparisonController.cpp
@@ -18,7 +18,7 @@
 #include "PropertyRepeater.h"
 #include "AxesItems.h"
 
-FitComparisonController::FitComparisonController(QObject* parent)
+FitComparisonController2D::FitComparisonController2D(QObject* parent)
     : QObject(parent)
     , m_appearanceRepeater(new PropertyRepeater(this))
     , m_xAxisRepeater(new PropertyRepeater(this))
@@ -30,12 +30,12 @@ FitComparisonController::FitComparisonController(QObject* parent)
     createRelativeDifferenceItem();
 }
 
-IntensityDataItem* FitComparisonController::diffItem()
+IntensityDataItem* FitComparisonController2D::diffItem()
 {
     return m_relativeDiffItem;
 }
 
-void FitComparisonController::setItems(IntensityDataItem* realDataItem,
+void FitComparisonController2D::setItems(IntensityDataItem* realDataItem,
                                        IntensityDataItem* simDataItem)
 {
     double zmin = realDataItem->getLowerZ();
@@ -58,7 +58,7 @@ void FitComparisonController::setItems(IntensityDataItem* realDataItem,
     m_zAxisRepeater->addItem(simDataItem->zAxisItem());
 }
 
-void FitComparisonController::clear()
+void FitComparisonController2D::clear()
 {
     m_appearanceRepeater->clear();
 
@@ -67,7 +67,7 @@ void FitComparisonController::clear()
     m_zAxisRepeater->clear();
 }
 
-void FitComparisonController::createRelativeDifferenceItem()
+void FitComparisonController2D::createRelativeDifferenceItem()
 {
     m_tempIntensityDataModel->clear();
 
diff --git a/GUI/coregui/Views/FitWidgets/FitComparisonController.h b/GUI/coregui/Views/FitWidgets/FitComparisonController.h
index 3ae8ac3612ace136364d4c856b6f7baeb466582e..1e359e1bdea1c0d719dae8d7c41acfa13d98850d 100644
--- a/GUI/coregui/Views/FitWidgets/FitComparisonController.h
+++ b/GUI/coregui/Views/FitWidgets/FitComparisonController.h
@@ -25,10 +25,10 @@ class PropertyRepeater;
 //! Provides synchronization between certain properties of fit related IntensityDataItems.
 //! Part of FitComparisonWidget.
 
-class BA_CORE_API_ FitComparisonController : public QObject
+class BA_CORE_API_ FitComparisonController2D : public QObject
 {
 public:
-    explicit FitComparisonController(QObject* parent = nullptr);
+    explicit FitComparisonController2D(QObject* parent = nullptr);
 
     IntensityDataItem* diffItem();
 
diff --git a/GUI/coregui/Views/FitWidgets/FitComparisonWidget.cpp b/GUI/coregui/Views/FitWidgets/FitComparisonWidget.cpp
index f4d7ec41357a2a3f438ce31220f95629df4d808a..3a4fe52704429898560df949a4b8a6a37a7fb9ee 100644
--- a/GUI/coregui/Views/FitWidgets/FitComparisonWidget.cpp
+++ b/GUI/coregui/Views/FitWidgets/FitComparisonWidget.cpp
@@ -50,7 +50,7 @@ FitComparisonWidget::FitComparisonWidget(QWidget *parent)
     , m_statusLabel(new PlotStatusLabel(0, this))
     , m_propertyWidget(new IntensityDataPropertyWidget)
     , m_resetViewAction(new QAction(this))
-    , m_comparisonController(new FitComparisonController(this))
+    , m_comparisonController(new FitComparisonController2D(this))
 {
     auto vlayout = new QVBoxLayout;
     vlayout->setMargin(0);
diff --git a/GUI/coregui/Views/FitWidgets/FitComparisonWidget.h b/GUI/coregui/Views/FitWidgets/FitComparisonWidget.h
index 91601c8004a868d3778fcf1c8fc588e3829eace1..f51b11d77afea5ced1c8e4d1cc1c24098a8930d0 100644
--- a/GUI/coregui/Views/FitWidgets/FitComparisonWidget.h
+++ b/GUI/coregui/Views/FitWidgets/FitComparisonWidget.h
@@ -27,7 +27,7 @@ class PlotStatusLabel;
 class QAction;
 class IntensityDataPropertyWidget;
 class PropertyRepeater;
-class FitComparisonController;
+class FitComparisonController2D;
 
 //! The FitComparisonWidget class plots realdata, simulated data and relative difference map
 //! during the course of the fit.
@@ -66,7 +66,7 @@ private:
     IntensityDataPropertyWidget* m_propertyWidget;
 
     QAction* m_resetViewAction;
-    FitComparisonController* m_comparisonController;
+    FitComparisonController2D* m_comparisonController;
 };
 
 #endif // FITCOMPARISONWIDGET_H