💀

Author: KristofferC

Diff for: src/Operations.jl

@@ -322,7 +322,7 @@ function collect_fixed!(env::EnvCache, pkgs::Vector{PackageSpec}, names::Dict{UU
             # ensure revved package is installed
             Types.handle_repo_add!(Types.Context(env=env), pkg)
         end
-        path = project_rel_path(env, source_path(env.project_file, pkg))
+        path = project_rel_path(env, source_path(env.manifest_file, pkg))
         if !isdir(path)
             pkgerror("expected package $(err_rep(pkg)) to exist at path `$path`")
         end