diff --git a/Python/ResManager/pyResManager.cpp b/Python/ResManager/pyResManager.cpp
index d8dcae4e..fae726c4 100644
--- a/Python/ResManager/pyResManager.cpp
+++ b/Python/ResManager/pyResManager.cpp
@@ -28,11 +28,11 @@ PY_PLASMA_DEALLOC(ResManager)
 
 PY_PLASMA_INIT_DECL(ResManager)
 {
-    const char* kwdlist[] = { "version", "preserveObjIDs", nullptr };
+    char* kwdlist[] = { _pycs("version"), _pycs("preserveObjIDs"), nullptr };
 
     int version = PlasmaVer::pvUnknown;
     bool preserveObjIDs = false;
-    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ib", const_cast<char**>(kwdlist), &version, &preserveObjIDs))
+    if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ib", kwdlist, &version, &preserveObjIDs))
         return -1;
 
     self->fThis->setVer((PlasmaVer)version);