diff --git a/defs/support.json b/defs/support.json
index 45afba7a46..c81f70a4bb 100644
--- a/defs/support.json
+++ b/defs/support.json
@@ -7,6 +7,7 @@
       "bitcoin:DASH": true,
       "bitcoin:DOGE": true,
       "bitcoin:LTC": true,
+      "bitcoin:NMC": true,
       "bitcoin:TEST": true,
       "bitcoin:VTC": true,
       "bitcoin:ZEC": true
@@ -1715,6 +1716,7 @@
       "bitcoin:KOTO": true,
       "bitcoin:LTC": true,
       "bitcoin:MONA": true,
+      "bitcoin:NMC": true,
       "bitcoin:TAZ": true,
       "bitcoin:TDCR": true,
       "bitcoin:TEST": true,