diff --git a/src/Base/PyObjectBase.cpp b/src/Base/PyObjectBase.cpp
index 2ccac31a9eab..182366e9e4b8 100644
--- a/src/Base/PyObjectBase.cpp
+++ b/src/Base/PyObjectBase.cpp
@@ -133,6 +133,9 @@ PyTypeObject PyObjectBase::Type = {
 #if PY_MAJOR_VERSION >= 3
     ,0                                                      /*tp_finalize */
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    ,0                                                      /*tp_vectorcall */
+#endif
 };
 
 /*------------------------------
diff --git a/src/Mod/Part/App/AppPart.cpp b/src/Mod/Part/App/AppPart.cpp
index 3073d5e39b09..2d57c86e0c52 100644
--- a/src/Mod/Part/App/AppPart.cpp
+++ b/src/Mod/Part/App/AppPart.cpp
@@ -229,6 +229,9 @@ PyTypeObject LinePyOld::Type = {
 #if PY_MAJOR_VERSION >=3
     ,0                                                /*tp_finalize */
 #endif
+#if PY_VERSION_HEX >= 0x03080000
+    ,0                                                /*tp_vectorcall */
+#endif
 };
 
 }