diff --git a/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/ConsoleProject.xpt b/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/ConsoleProject.xpt
index 6c028b9718..5f3833be8f 100644
--- a/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/ConsoleProject.xpt
+++ b/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/ConsoleProject.xpt
@@ -21,6 +21,7 @@
 		</PropertyGroup>
 		
 		<ProjectItems>
+			<Reference Include="mscorlib"/>
 			<Reference Include="System"/>
 			<Reference Include="System.Data"/>
 			<Reference Include="System.Xml"/>
diff --git a/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/FormsProject.xpt b/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/FormsProject.xpt
index f7a687f6ff..2e86e2ffac 100644
--- a/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/FormsProject.xpt
+++ b/src/AddIns/BackendBindings/Python/PythonBinding/Project/Templates/FormsProject.xpt
@@ -21,6 +21,7 @@
 		</PropertyGroup>
 		
 		<ProjectItems>
+			<Reference Include="mscorlib"/>
 			<Reference Include="System"/>
 			<Reference Include="System.Data"/>
 			<Reference Include="System.Drawing"/>