diff --git a/meson.options b/meson.options
index cf28ff85380..9440b9e44e6 100644
--- a/meson.options
+++ b/meson.options
@@ -147,7 +147,8 @@ option(
 option(
   'gallium-rusticl-enable-drivers',
   type : 'array',
-  value : ['auto', 'asahi', 'freedreno', 'radeonsi'],
+  value : ['auto'],
+  choices : ['auto', 'asahi', 'freedreno', 'radeonsi'],
   description : 'List of gallium drivers for which rusticl will be enabled ' +
                 'by default',
 )