diff --git a/qt/python/mantidqtinterfaces/mantidqtinterfaces/Engineering/gui/engineering_diffraction/tabs/fitting/plotting/EngDiff_fitpropertybrowser.py b/qt/python/mantidqtinterfaces/mantidqtinterfaces/Engineering/gui/engineering_diffraction/tabs/fitting/plotting/EngDiff_fitpropertybrowser.py
index 8f2e750eb4c5..379495977b49 100644
--- a/qt/python/mantidqtinterfaces/mantidqtinterfaces/Engineering/gui/engineering_diffraction/tabs/fitting/plotting/EngDiff_fitpropertybrowser.py
+++ b/qt/python/mantidqtinterfaces/mantidqtinterfaces/Engineering/gui/engineering_diffraction/tabs/fitting/plotting/EngDiff_fitpropertybrowser.py
@@ -35,6 +35,7 @@ def __init__(self, canvas, toolbar_manager, parent=None):
         self.fit_enabled_notifier = GenericObservable()
         self.fit_started_notifier = GenericObservable()
         self.algorithmStarted.connect(self.fitting_started_slot)
+        self.algorithmFailed.connect(self.fitting_failed_slot)
 
     def set_output_window_names(self):
         """
@@ -158,6 +159,13 @@ def fitting_done_slot(self, name):
         self.save_current_setup(self.workspaceName())
         self.fit_notifier.notify_subscribers([self.get_fitprop()])
 
+    @Slot()
+    def fitting_failed_slot(self):
+        """
+        This is called after Fit fails due to an acception thrown.
+        """
+        self.fit_notifier.notify_subscribers([])
+
     @Slot()
     def function_changed_slot(self):
         """
diff --git a/qt/widgets/common/inc/MantidQtWidgets/Common/FitPropertyBrowser.h b/qt/widgets/common/inc/MantidQtWidgets/Common/FitPropertyBrowser.h
index c0e6ecb34065..5365acd2e249 100644
--- a/qt/widgets/common/inc/MantidQtWidgets/Common/FitPropertyBrowser.h
+++ b/qt/widgets/common/inc/MantidQtWidgets/Common/FitPropertyBrowser.h
@@ -333,6 +333,7 @@ public slots:
   void currentChanged() const;
   void functionRemoved();
   void algorithmFinished(const QString & /*_t1*/);
+  void algorithmFailed();
   void algorithmStarted(const QString & /*_t1*/);
   void workspaceIndexChanged(int index);
   void updatePlotSpectrum(int index);
diff --git a/qt/widgets/common/src/FitPropertyBrowser.cpp b/qt/widgets/common/src/FitPropertyBrowser.cpp
index 65ea65c5bb76..ab43114d62ae 100644
--- a/qt/widgets/common/src/FitPropertyBrowser.cpp
+++ b/qt/widgets/common/src/FitPropertyBrowser.cpp
@@ -1641,7 +1641,7 @@ void FitPropertyBrowser::doFit(int maxIterations) {
       QCoreApplication::processEvents();
     }
     if (!result.error().empty()) {
-      emit algorithmFinished(QString());
+      emit algorithmFailed();
     }
   } catch (const std::exception &e) {
     QString msg = "Fit algorithm failed.\n\n" + QString(e.what()) + "\n";