diff --git a/PyScModule.cpp b/PyScModule.cpp
index 948f36c..f574e9f 100644
--- a/PyScModule.cpp
+++ b/PyScModule.cpp
@@ -20,8 +20,12 @@ scc::PyScModule::PyScModule(PyObject* self, const sc_core::sc_module_name& nm)
 : sc_core::sc_module(nm)
 , self(self)
 {
-    if (! PyEval_ThreadsInitialized())
+#if PY_VERSION_HEX < 0x03090000
+    if (!PyEval_ThreadsInitialized())
         PyEval_InitThreads();
+#else
+    PyEval_InitThreads();
+#endif
     Py_INCREF(self);
 }