diff --git a/lib/default.nix b/lib/default.nix
index cc4bedc5869b..68e5b8dea1eb 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -101,6 +101,7 @@ let
       upperChars toLower toUpper addContextFrom splitString
       removePrefix removeSuffix versionOlder versionAtLeast
       getName getVersion
+      mesonOption mesonBool mesonEnable
       nameFromURL enableFeature enableFeatureAs withFeature
       withFeatureAs fixedWidthString fixedWidthNumber isStorePath
       toInt toIntBase10 readPathsFromFile fileContents;