diff --git a/common/defs/support.json b/common/defs/support.json
index e79f98a04..15b665efa 100644
--- a/common/defs/support.json
+++ b/common/defs/support.json
@@ -26,6 +26,7 @@
       "bitcoin:PPC": true,
       "bitcoin:RITO": true,
       "bitcoin:RVN": true,
+      "bitcoin:SYS": true,
       "bitcoin:TAZ": true,
       "bitcoin:TBCH": true,
       "bitcoin:TBTG": true,