diff --git a/pkgs/by-name/li/libcss/package.nix b/pkgs/by-name/li/libcss/package.nix
index 75c1edbe4f5c..54c0ce25bb31 100644
--- a/pkgs/by-name/li/libcss/package.nix
+++ b/pkgs/by-name/li/libcss/package.nix
@@ -41,6 +41,9 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     perl
     netsurf-buildsystem
+  ];
+
+  propagatedBuildInputs = [
     libparserutils
     libwapcaplet
   ];
diff --git a/pkgs/by-name/li/libdom/package.nix b/pkgs/by-name/li/libdom/package.nix
index 7ac4118e676e..7022a9c21add 100644
--- a/pkgs/by-name/li/libdom/package.nix
+++ b/pkgs/by-name/li/libdom/package.nix
@@ -35,8 +35,11 @@ stdenv.mkDerivation (finalAttrs: {
   buildInputs = [
     expat
     netsurf-buildsystem
-    libhubbub
     libparserutils
+  ];
+
+  propagatedBuildInputs = [
+    libhubbub
     libwapcaplet
   ];