diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index fd20b17..7610b0c 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -6617,6 +6617,9 @@
     PyModule_AddIntMacro(m, CAN_RAW_LOOPBACK);
     PyModule_AddIntMacro(m, CAN_RAW_RECV_OWN_MSGS);
 #endif
+#ifdef HAVE_LINUX_CAN_RAW_FD_FRAMES
+    PyModule_AddIntMacro(m, CAN_RAW_FD_FRAMES);
+#endif
 #ifdef HAVE_LINUX_CAN_BCM_H
     PyModule_AddIntMacro(m, CAN_BCM);
     PyModule_AddIntConstant(m, "CAN_BCM_TX_SETUP", TX_SETUP);