diff --git a/modules/programs/zathura.nix b/modules/programs/zathura.nix
index ba34af590..3e41256d3 100644
--- a/modules/programs/zathura.nix
+++ b/modules/programs/zathura.nix
@@ -31,7 +31,7 @@ in {
 
     options = mkOption {
       default = { };
-      type = with types; attrsOf (either str (either bool int));
+      type = with types; attrsOf (oneOf [ str bool int float ]);
       description = ''
         Add {option}`:set` command options to zathura and make
         them permanent. See