diff --git a/BioArchLinux/r-mapproj/lilac.py b/BioArchLinux/r-mapproj/lilac.py
index dce4f8b2e3..b5cdb057c5 100644
--- a/BioArchLinux/r-mapproj/lilac.py
+++ b/BioArchLinux/r-mapproj/lilac.py
@@ -7,10 +7,7 @@ sys.path.append(os.path.normpath(f'{__file__}/../../../lilac-extensions'))
 from lilac_r_utils import r_pre_build
 
 def pre_build():
-    r_pre_build(
-        _G,
-        expect_license = "Lucent Public License",
-    )
+    r_pre_build(_G)
 
 def post_build():
     git_pkgbuild_commit()
diff --git a/lilac-extensions/lilac_r_utils.py b/lilac-extensions/lilac_r_utils.py
index 594d6a3f20..be705345e4 100644
--- a/lilac-extensions/lilac_r_utils.py
+++ b/lilac-extensions/lilac_r_utils.py
@@ -200,6 +200,7 @@ license_map = {
     "LGPL (>= 2)": "LGPL",
     "LGPL (>= 2.1)": "LGPL",
     "LGPL-2": "LGPL2.1",
+    "Lucent Public License": "custom:LPL",
     "MIT + file LICENSE": "MIT",
 }