diff --git a/MantidPlot/src/ApplicationWindow.cpp b/MantidPlot/src/ApplicationWindow.cpp
index 8966e8a61d98230c4ca34a0d5d0ad93cfd26c0db..4bda52dd7591a526abab720a1a95b8bcade936e7 100644
--- a/MantidPlot/src/ApplicationWindow.cpp
+++ b/MantidPlot/src/ApplicationWindow.cpp
@@ -5014,7 +5014,7 @@ void ApplicationWindow::readSettings() {
     settings.remove("/AutoDistribution1D");
   }
   // Pull default from config service
-  const bool autoDistribution1D =
+  autoDistribution1D =
       cfgSvc.getValue<bool>("graph1d.autodistribution").get_value_or(false);
 
   canvasFrameWidth = settings.value("/CanvasFrameWidth", 0).toInt();