diff --git a/src/sip.h b/src/sip.h
index 02693b9..86e2771 100644
--- a/src/sip.h
+++ b/src/sip.h
@@ -61,14 +61,14 @@ enum sip_methods {
     SIP_METHOD_NOTIFY,
     SIP_METHOD_OPTIONS,
     SIP_METHOD_PUBLISH,
+    SIP_METHOD_INFO,
+    SIP_METHOD_REFER,
+    SIP_METHOD_UPDATE,
     SIP_METHOD_MESSAGE,
     SIP_METHOD_CANCEL,
     SIP_METHOD_BYE,
     SIP_METHOD_ACK,
     SIP_METHOD_PRACK,
-    SIP_METHOD_INFO,
-    SIP_METHOD_REFER,
-    SIP_METHOD_UPDATE,
 };
 
 //! Return values for sip_validate_packet