diff --git a/src/Mod/PartDesign/App/FeatureThickness.cpp b/src/Mod/PartDesign/App/FeatureThickness.cpp
index 2c3c2c4b64..9d0500bfe7 100644
--- a/src/Mod/PartDesign/App/FeatureThickness.cpp
+++ b/src/Mod/PartDesign/App/FeatureThickness.cpp
@@ -45,7 +45,7 @@ Thickness::Thickness()
     Mode.setEnums(ModeEnums);
     ADD_PROPERTY_TYPE(Join,(long(0)),"Thickness",App::Prop_None,"Join type");
     Join.setEnums(JoinEnums);
-    ADD_PROPERTY_TYPE(Reversed,(false),"Thickness",App::Prop_None,"Apply the thickness towards the solids interior");
+    ADD_PROPERTY_TYPE(Reversed,(true),"Thickness",App::Prop_None,"Apply the thickness towards the solids interior");
     ADD_PROPERTY_TYPE(Intersection,(false),"Thickness",App::Prop_None,"Enable intersection-handling");
 }