diff --git a/Code/Mantid/Vates/VatesSimpleGui/ViewWidgets/src/StandardView.cpp b/Code/Mantid/Vates/VatesSimpleGui/ViewWidgets/src/StandardView.cpp
index 923da8d0236c..283c5b4da220 100644
--- a/Code/Mantid/Vates/VatesSimpleGui/ViewWidgets/src/StandardView.cpp
+++ b/Code/Mantid/Vates/VatesSimpleGui/ViewWidgets/src/StandardView.cpp
@@ -337,7 +337,7 @@ void StandardView::activeSourceChangeListener(pqPipelineSource* source)
   else if (workspaceType.find("MDEW Source") != std::string::npos)
   {
     this->allowRebinningOptions(true);
-    this->allowUnbinOption(true);
+    this->allowUnbinOption(false);
   }
   else
   {