diff --git a/src/if_py_both.h b/src/if_py_both.h
index 48137f1..247fc9a 100644
--- a/src/if_py_both.h
+++ b/src/if_py_both.h
@@ -6333,9 +6333,12 @@
     OutputType.tp_alloc = call_PyType_GenericAlloc;
     OutputType.tp_new = call_PyType_GenericNew;
     OutputType.tp_free = call_PyObject_Free;
+    OutputType.tp_base = &PyStdPrinter_Type;
 #else
     OutputType.tp_getattr = (getattrfunc)OutputGetattr;
     OutputType.tp_setattr = (setattrfunc)OutputSetattr;
+    // Disabled, because this causes a crash in test86
+    // OutputType.tp_base = &PyFile_Type;
 #endif
 
     vim_memset(&IterType, 0, sizeof(IterType));