diff --git a/src/Mod/Ship/TankInstance.py b/src/Mod/Ship/TankInstance.py
index 65e7ea182..27b3c9250 100644
--- a/src/Mod/Ship/TankInstance.py
+++ b/src/Mod/Ship/TankInstance.py
@@ -184,7 +184,7 @@ class ViewProviderTank:
     def getDefaultDisplayMode(self):
         """Return the name of the default display mode. It must be defined in
         getDisplayModes."""
-        return "Shaded"
+        return "Flat Lines"
 
     def setDisplayMode(self, mode):
         """Map the display mode defined in attach with those defined in
diff --git a/src/Mod/Ship/WeightInstance.py b/src/Mod/Ship/WeightInstance.py
index 9d55d2dff..cac299967 100644
--- a/src/Mod/Ship/WeightInstance.py
+++ b/src/Mod/Ship/WeightInstance.py
@@ -312,7 +312,7 @@ class ViewProviderWeight:
     def getDefaultDisplayMode(self):
         """Return the name of the default display mode. It must be defined in
         getDisplayModes."""
-        return "Shaded"
+        return "Flat Lines"
 
     def setDisplayMode(self, mode):
         """Map the display mode defined in attach with those defined in