diff --git a/src/Mod/TechDraw/App/CenterLinePyImp.cpp b/src/Mod/TechDraw/App/CenterLinePyImp.cpp
index b4a832d74d..e6283ec02e 100644
--- a/src/Mod/TechDraw/App/CenterLinePyImp.cpp
+++ b/src/Mod/TechDraw/App/CenterLinePyImp.cpp
@@ -116,7 +116,7 @@ Py::Dict CenterLinePy::getFormat() const
 
     dict.setItem("style", Py::Long(format->m_style));
     dict.setItem("weight", Py::Float(format->m_weight));
-    dict.setItem("color", Py::Tuple(DrawUtil::colorToPyTuple(format->m_color)));
+    dict.setItem("color", Py::Tuple(DrawUtil::colorToPyTuple(format->m_color), true));
     dict.setItem("visible", Py::Boolean(format->m_visible));
 
     return dict;
diff --git a/src/Mod/TechDraw/App/CosmeticEdgePyImp.cpp b/src/Mod/TechDraw/App/CosmeticEdgePyImp.cpp
index e2cfabc651..9edd6360d1 100644
--- a/src/Mod/TechDraw/App/CosmeticEdgePyImp.cpp
+++ b/src/Mod/TechDraw/App/CosmeticEdgePyImp.cpp
@@ -142,7 +142,7 @@ Py::Dict CosmeticEdgePy::getFormat() const
 
     dict.setItem("style", Py::Long(format->m_style));
     dict.setItem("weight", Py::Float(format->m_weight));
-    dict.setItem("color", Py::Tuple(DrawUtil::colorToPyTuple(format->m_color)));
+    dict.setItem("color", Py::Tuple(DrawUtil::colorToPyTuple(format->m_color), true));
     dict.setItem("visible", Py::Boolean(format->m_visible));
 
     return dict;