diff --git a/Mac/Modules/cg/CGStubLib b/Mac/Modules/cg/CGStubLib
index 74de90927ee..8b374a1c21a 100755
Binary files a/Mac/Modules/cg/CGStubLib and b/Mac/Modules/cg/CGStubLib differ
diff --git a/Mac/Modules/cg/CGStubLib.exp b/Mac/Modules/cg/CGStubLib.exp
index 4b034b58119..9f4e592c502 100755
--- a/Mac/Modules/cg/CGStubLib.exp
+++ b/Mac/Modules/cg/CGStubLib.exp
@@ -56,3 +56,4 @@ CGContextRestoreGState
 CGContextSaveGState
 CGContextRelease
 CreateCGContextForPort
+SyncCGContextOriginWithPort
diff --git a/Mac/Modules/cg/_CGmodule.c b/Mac/Modules/cg/_CGmodule.c
index 3bcb2602583..aaa53899a72 100755
--- a/Mac/Modules/cg/_CGmodule.c
+++ b/Mac/Modules/cg/_CGmodule.c
@@ -1115,6 +1115,20 @@ static PyObject *CGContextRefObj_CGContextSetShouldAntialias(CGContextRefObject
 	return _res;
 }
 
+static PyObject *CGContextRefObj_SyncCGContextOriginWithPort(CGContextRefObject *_self, PyObject *_args)
+{
+	PyObject *_res = NULL;
+	CGrafPtr port;
+	if (!PyArg_ParseTuple(_args, "O&",
+	                      GrafObj_Convert, &port))
+		return NULL;
+	SyncCGContextOriginWithPort(_self->ob_itself,
+	                            port);
+	Py_INCREF(Py_None);
+	_res = Py_None;
+	return _res;
+}
+
 static PyMethodDef CGContextRefObj_methods[] = {
 	{"CGContextSaveGState", (PyCFunction)CGContextRefObj_CGContextSaveGState, 1,
 	 "() -> None"},
@@ -1228,6 +1242,8 @@ static PyMethodDef CGContextRefObj_methods[] = {
 	 "() -> None"},
 	{"CGContextSetShouldAntialias", (PyCFunction)CGContextRefObj_CGContextSetShouldAntialias, 1,
 	 "(int shouldAntialias) -> None"},
+	{"SyncCGContextOriginWithPort", (PyCFunction)CGContextRefObj_SyncCGContextOriginWithPort, 1,
+	 "(CGrafPtr port) -> None"},
 	{NULL, NULL, 0}
 };
 
diff --git a/Mac/Modules/cg/cgsupport.py b/Mac/Modules/cg/cgsupport.py
index e0931e54761..c9255eef29b 100755
--- a/Mac/Modules/cg/cgsupport.py
+++ b/Mac/Modules/cg/cgsupport.py
@@ -17,6 +17,7 @@
 
 from macsupport import *
 
+CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
 
 # Create the type objects
 
@@ -275,6 +276,13 @@ def outputCleanupStructMembers(self):
 # ADD _methods initializer here
 execfile(INPUTFILE)
 
+# manual method, lives in Quickdraw.h
+f = Method(void, 'SyncCGContextOriginWithPort',
+    (CGContextRef, 'ctx', InMode),
+    (CGrafPtr, 'port', InMode),
+)
+CGContextRef_methods.append(f)
+
 CreateCGContextForPort_body = """\
 GrafPtr port;
 CGContextRef ctx;