diff --git a/800.renames-and-merges/m.yaml b/800.renames-and-merges/m.yaml
index 58bd080f2..85ce077d6 100644
--- a/800.renames-and-merges/m.yaml
+++ b/800.renames-and-merges/m.yaml
@@ -111,7 +111,7 @@
 - { setname: mate-utils,               name: mate-utils-gtk2, addflavor: true }
 - { setname: mathematica,              name: mathematica-cuda, addflavor: true }
 - { setname: mathematica,              name: mathematica-09 }
-- { setname: mathics,                  name: "python:mathics" }
+- { setname: mathics,                  name: [python:mathics, python:mathics3] }
 - { setname: matio,                    name: libmatio }
 - { setname: matomo,                   name: matomo-beta, weak_devel: true, nolegacy: true }
 - { setname: matomo,                   name: "php:matomo" }