diff --git a/800.renames-and-merges/c.yaml b/800.renames-and-merges/c.yaml
index f0098a45e..43096a83e 100644
--- a/800.renames-and-merges/c.yaml
+++ b/800.renames-and-merges/c.yaml
@@ -202,6 +202,7 @@
 - { setname: codelite,                 name: codelite-unstable, weak_devel: true, nolegacy: true }
 - { setname: codespell,                name: "python:codespell" }
 - { setname: coffee-script,            name: coffeescript } # XXX: problem
+- { setname: cog,                      name: cog-wpe } # ambiguous target name, split in 850
 - { setname: cogl,                     name: cogl-amdgpu-pro }
 - { setname: cogl,                     name: libcogl }
 - { setname: cogl,                     namepat: "compat-cogl[0-9]+" }
diff --git a/850.split-ambiguities/c.yaml b/850.split-ambiguities/c.yaml
index 4e7a7cfd5..99ed7fb54 100644
--- a/850.split-ambiguities/c.yaml
+++ b/850.split-ambiguities/c.yaml
@@ -198,7 +198,7 @@
 - { name: cluster, wwwpart: mdehoon, setname: cluster-k-means }
 - { name: cluster, addflag: unclassified }
 
-- { name: cog, wwwpart: igalia, setname: cog-wpe-launcher }
+- { name: cog, wwwpart: igalia, setname: cog-wpe }
 - { name: cog, wwwpart: replicate, setname: cog-ml-containers }
 - { name: cog, wwwpart: krakoa, setname: cog-gnome-configurator }
 - { name: cog, addflag: unclassified }