diff --git a/GUI/View/Frame/Plot2DWithProjectionFrame.cpp b/GUI/View/Frame/Plot2DWithProjectionFrame.cpp
index 45172c5f711283df8ebbffea3cd8c7bdac4f10ed..66fbb48ec9aa0d8b4a4382196a9b3020ad429d2b 100644
--- a/GUI/View/Frame/Plot2DWithProjectionFrame.cpp
+++ b/GUI/View/Frame/Plot2DWithProjectionFrame.cpp
@@ -27,7 +27,7 @@ Plot2DWithProjectionFrame::Plot2DWithProjectionFrame(QWidget* parent)
     : DataAccessWidget(parent)
     , m_actions(new ProjectionActions(this))
     , m_projectionsCanvas(new ProjectionsEditorCanvas)
-    , m_projectionsWidget(new ProjectedGraphsCanvas)
+    , m_canvas1D(new ProjectedGraphsCanvas)
     , m_scaleEditor(new Scale2DEditor(this))
 {
     auto* layout = new QHBoxLayout;
@@ -39,7 +39,7 @@ Plot2DWithProjectionFrame::Plot2DWithProjectionFrame(QWidget* parent)
     layout->addWidget(splitter);
     splitter->setOrientation(Qt::Vertical);
     splitter->addWidget(m_projectionsCanvas);
-    splitter->addWidget(m_projectionsWidget);
+    splitter->addWidget(m_canvas1D);
 
     layout->addWidget(m_scaleEditor);
     m_scaleEditor->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Minimum);
@@ -59,23 +59,23 @@ Plot2DWithProjectionFrame::Plot2DWithProjectionFrame(QWidget* parent)
     connect(toolbar, &ProjectionToolbar::activityChanged, m_projectionsCanvas,
             &ProjectionsEditorCanvas::setProjectionsCanvasMode);
 
-    connect(toolbar, &ProjectionToolbar::activityChanged, m_projectionsWidget,
+    connect(toolbar, &ProjectionToolbar::activityChanged, m_canvas1D,
             &ProjectedGraphsCanvas::onActivityChanged);
 
-    connect(m_projectionsWidget, &ProjectedGraphsCanvas::changeActivityRequest, toolbar,
+    connect(m_canvas1D, &ProjectedGraphsCanvas::changeActivityRequest, toolbar,
             &ProjectionToolbar::onProjectionTabChange);
 
     connect(m_projectionsCanvas, &ProjectionsEditorCanvas::deleteSelectedRequest, m_actions,
             &ProjectionActions::onDeleteAction);
 
-    connect(m_projectionsCanvas, &ProjectionsEditorCanvas::changeProjectionsTabRequest,
-            m_projectionsWidget, &ProjectedGraphsCanvas::onActivityChanged);
+    connect(m_projectionsCanvas, &ProjectionsEditorCanvas::changeProjectionsTabRequest, m_canvas1D,
+            &ProjectedGraphsCanvas::onActivityChanged);
 
     // space bar push (request for zoom mode)
     connect(m_projectionsCanvas, &ProjectionsEditorCanvas::changeActivityRequest, toolbar,
             &ProjectionToolbar::onChangeActivityRequest);
 
-    connect(m_projectionsCanvas, &ProjectionsEditorCanvas::marginsChanged, m_projectionsWidget,
+    connect(m_projectionsCanvas, &ProjectionsEditorCanvas::marginsChanged, m_canvas1D,
             &ProjectedGraphsCanvas::onMarginsChanged);
 
     toolbar->onChangeActivityRequest(MaskFlags::HORIZONTAL_LINE_MODE);
@@ -99,10 +99,10 @@ void Plot2DWithProjectionFrame::updateFrame()
 
     // The following line must come before 'm_projectionsCanvas->setContext()'!
     // It prevents problem with switching between datasets in projection mode.
-    m_projectionsWidget->disconnectItem();
+    m_canvas1D->disconnectItem();
 
     m_projectionsCanvas->updateCanvas(currentData2DItem());
-    m_projectionsWidget->setData2DItem(currentData2DItem());
+    m_canvas1D->setData2DItem(currentData2DItem());
 
     m_actions->updateProjsActions(currentData2DItem());
 }
@@ -116,6 +116,6 @@ void Plot2DWithProjectionFrame::showEvent(QShowEvent*)
 void Plot2DWithProjectionFrame::hideEvent(QHideEvent*)
 {
     m_projectionsCanvas->resetCanvas();
-    m_projectionsWidget->disconnectItem();
-    m_projectionsWidget->setData2DItem(nullptr);
+    m_canvas1D->disconnectItem();
+    m_canvas1D->setData2DItem(nullptr);
 }
diff --git a/GUI/View/Frame/Plot2DWithProjectionFrame.h b/GUI/View/Frame/Plot2DWithProjectionFrame.h
index 091d8d8a18486a4a0895f6a76724256bf6ab78a1..9286cc5e80130b83489e953b6549795f651183f9 100644
--- a/GUI/View/Frame/Plot2DWithProjectionFrame.h
+++ b/GUI/View/Frame/Plot2DWithProjectionFrame.h
@@ -40,7 +40,7 @@ private:
 
     ProjectionActions* m_actions;
     ProjectionsEditorCanvas* m_projectionsCanvas; //! canvas with color map at the top
-    ProjectedGraphsCanvas* m_projectionsWidget;   //! bottom widget to draw projections plot
+    ProjectedGraphsCanvas* m_canvas1D;            //! bottom widget to draw projections plot
     Scale2DEditor* m_scaleEditor;                 //! panel at the right with properties
 };