Use PyThreadState_GET() macro.
diff --git a/Python/ceval.c b/Python/ceval.c
index 3625473..b013ca1 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -365,7 +365,7 @@
 	register PyFrameObject *f; /* Current frame */
 	register PyObject **fastlocals;
 	PyObject *retval = NULL;	/* Return value */
-	PyThreadState *tstate = PyThreadState_Get();
+	PyThreadState *tstate = PyThreadState_GET();
 	unsigned char *first_instr;
 #ifdef LLTRACE
 	int lltrace;
diff --git a/Python/errors.c b/Python/errors.c
index 423f792..f2768ee 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -55,7 +55,7 @@
 	PyObject *value;
 	PyObject *traceback;
 {
-	PyThreadState *tstate = PyThreadState_Get();
+	PyThreadState *tstate = PyThreadState_GET();
 	PyObject *oldtype, *oldvalue, *oldtraceback;
 
 	if (traceback != NULL && !PyTraceBack_Check(traceback)) {