diff --git a/src/Mod/TechDraw/TDTest/DVBalloonTest.py b/src/Mod/TechDraw/TDTest/DVBalloonTest.py
index 316855b836..0263308dab 100644
--- a/src/Mod/TechDraw/TDTest/DVBalloonTest.py
+++ b/src/Mod/TechDraw/TDTest/DVBalloonTest.py
@@ -50,7 +50,7 @@ def DVBalloonTest():
 
     print("Place balloon")
     balloon1 = FreeCAD.ActiveDocument.addObject('TechDraw::DrawViewBalloon','Balloon1')
-    balloon1.sourceView=view1
+    balloon1.SourceView=view1
     balloon1.OriginIsSet=1
     balloon1.OriginX=view1.X + Units.Quantity(20.0,Units.Length)
     balloon1.OriginY=view1.Y + Units.Quantity(20.0,Units.Length)
@@ -62,7 +62,7 @@ def DVBalloonTest():
     rc = page.addView(balloon1)
 
     balloon2 = FreeCAD.ActiveDocument.addObject('TechDraw::DrawViewBalloon','Balloon2')
-    balloon2.sourceView=view2
+    balloon2.SourceView=view2
     balloon2.OriginIsSet=1
     balloon2.OriginX=view2.X + Units.Quantity(20.0,Units.Length)
     balloon2.OriginY=view2.Y + Units.Quantity(20.0,Units.Length)