diff --git a/docs/ci_build.sh b/docs/ci_build.sh
index cce0fe12d..0a70e5829 100644
--- a/docs/ci_build.sh
+++ b/docs/ci_build.sh
@@ -54,6 +54,7 @@ export JULIA_CONDAPKG_BACKEND=MicroMamba
 
 julia='xvfb-run -a julia --color=yes --project=docs'
 
+$julia -e 'using Pkg; Pkg.add(PackageSpec(url="https://github.com/JuliaPlots/Plots.jl", rev=split(ENV["GITHUB_REF"], "/", limit=3)[3]), subdir="PlotsBase");' #FIXME: not needed when registered
 $julia -e '
   using Pkg; Pkg.add("CondaPkg")
   using CondaPkg; CondaPkg.resolve()
@@ -80,7 +81,6 @@ if [ "$GITHUB_REPOSITORY" == 'JuliaPlots/PlotDocs.jl' ]; then
   $julia -e 'using Pkg; Pkg.add(PackageSpec(name="Plots", rev="master"))'
   $julia docs/make.jl
 elif [ "$GITHUB_REPOSITORY" == 'JuliaPlots/Plots.jl' ]; then
-  $julia -e 'using Pkg; Pkg.add(PackageSpec(url="https://github.com/JuliaPlots/Plots.jl", rev=split(ENV["GITHUB_REF"], "/", limit=3)[3]), subdir="PlotsBase");'
   $julia -e 'using Pkg; Pkg.add(PackageSpec(name="Plots", rev=split(ENV["GITHUB_REF"], "/", limit=3)[3])); Pkg.instantiate()'
   $julia -e 'withenv("GITHUB_REPOSITORY" => "JuliaPlots/PlotDocs.jl") do; include("docs/make.jl"); end'
 else