diff --git a/src/Mod/Sketcher/App/ExternalGeometryFacadePyImp.cpp b/src/Mod/Sketcher/App/ExternalGeometryFacadePyImp.cpp
index cebe5f27b1..ef0166f24f 100644
--- a/src/Mod/Sketcher/App/ExternalGeometryFacadePyImp.cpp
+++ b/src/Mod/Sketcher/App/ExternalGeometryFacadePyImp.cpp
@@ -302,7 +302,7 @@ PyObject* ExternalGeometryFacadePy::getExtensionOfType(PyObject* args)
 
         Base::Type type = Base::Type::fromName(o);
 
-        if (type != Base::Type::badType()) {
+        if (!type.isBad()) {
             try {
                 std::shared_ptr<const Part::GeometryExtension> ext(
                     this->getExternalGeometryFacadePtr()->getExtension(type));
@@ -379,7 +379,7 @@ PyObject* ExternalGeometryFacadePy::hasExtensionOfType(PyObject* args)
 
         Base::Type type = Base::Type::fromName(o);
 
-        if (type != Base::Type::badType()) {
+        if (!type.isBad()) {
             try {
                 return Py::new_reference_to(
                     Py::Boolean(this->getExternalGeometryFacadePtr()->hasExtension(type)));
@@ -427,7 +427,7 @@ PyObject* ExternalGeometryFacadePy::deleteExtensionOfType(PyObject* args)
 
         Base::Type type = Base::Type::fromName(o);
 
-        if (type != Base::Type::badType()) {
+        if (!type.isBad()) {
             try {
                 this->getExternalGeometryFacadePtr()->deleteExtension(type);
                 Py_Return;
diff --git a/src/Mod/Sketcher/App/GeometryFacadePyImp.cpp b/src/Mod/Sketcher/App/GeometryFacadePyImp.cpp
index 1aa73bad22..8a0ee1d17a 100644
--- a/src/Mod/Sketcher/App/GeometryFacadePyImp.cpp
+++ b/src/Mod/Sketcher/App/GeometryFacadePyImp.cpp
@@ -278,7 +278,7 @@ PyObject* GeometryFacadePy::getExtensionOfType(PyObject* args)
 
         Base::Type type = Base::Type::fromName(o);
 
-        if (type != Base::Type::badType()) {
+        if (!type.isBad()) {
             try {
                 std::shared_ptr<const Part::GeometryExtension> ext(
                     this->getGeometryFacadePtr()->getExtension(type));
@@ -355,7 +355,7 @@ PyObject* GeometryFacadePy::hasExtensionOfType(PyObject* args)
 
         Base::Type type = Base::Type::fromName(o);
 
-        if (type != Base::Type::badType()) {
+        if (!type.isBad()) {
             try {
                 return Py::new_reference_to(
                     Py::Boolean(this->getGeometryFacadePtr()->hasExtension(type)));
@@ -403,7 +403,7 @@ PyObject* GeometryFacadePy::deleteExtensionOfType(PyObject* args)
 
         Base::Type type = Base::Type::fromName(o);
 
-        if (type != Base::Type::badType()) {
+        if (!type.isBad()) {
             try {
                 this->getGeometryFacadePtr()->deleteExtension(type);
                 Py_Return;