diff --git a/config.default.yaml b/config.default.yaml
index d0887bc8..3621b072 100644
--- a/config.default.yaml
+++ b/config.default.yaml
@@ -576,6 +576,7 @@ plotting:
     H2 Electrolysis: '#ff29d9'
     # ammonia
     NH3: '#46caf0'
+    ammonia: '#46caf0'
     ammonia store: '#00ace0'
     ammonia cracker: '#87d0e6'
     Haber-Bosch: '#076987'