diff --git a/kmplot/functioneditor.cpp b/kmplot/functioneditor.cpp
--- a/kmplot/functioneditor.cpp
+++ b/kmplot/functioneditor.cpp
@@ -141,6 +141,7 @@
 	
 	connect(XParser::self(), &XParser::functionAdded, this, &FunctionEditor::functionsChanged);
 	connect(XParser::self(), &XParser::functionRemoved, this, &FunctionEditor::functionsChanged);
+	connect(XParser::self(), &XParser::functionRemoved, View::self(), &View::functionRemoved);
 	
 	m_editor->createNewPlot->setMenu( createNewPlotsMenu );
 	
diff --git a/kmplot/view.h b/kmplot/view.h
--- a/kmplot/view.h
+++ b/kmplot/view.h
@@ -211,6 +211,8 @@
 	
 		/// Called when the graph should be updated
 		void drawPlot();
+		/// Called when a function is deleted
+		void functionRemoved( int id );
 		///Slots for the three first items in popup menu
 		void hideCurrentFunction();
 		void removeCurrentPlot();
diff --git a/kmplot/view.cpp b/kmplot/view.cpp
--- a/kmplot/view.cpp
+++ b/kmplot/view.cpp
@@ -120,6 +120,7 @@
 	m_sliderWindow = 0;
 	
 	m_popupMenuTitle = m_popupMenu->insertSection( MainDlg::self()->m_firstFunctionAction, "" );
+	connect(XParser::self(), &XParser::functionRemoved, this, &View::functionRemoved);
 }
 
 
@@ -3969,6 +3970,16 @@
 	m_menuSliderAction->setChecked( false );  //set the slider-item in the menu
 }
 
+void View::functionRemoved( int id )
+{
+	if ( id == m_currentPlot.functionID() )
+	{
+		m_currentPlot.setFunctionID( -1 );
+		setStatusBar( QString(), RootSection );
+		setStatusBar( QString(), FunctionSection );
+	}
+}
+
 void View::hideCurrentFunction()
 {
 	if ( m_currentPlot.functionID() == -1 )