diff --git a/plugins/statuslines/lualine.nix b/plugins/statuslines/lualine.nix
index bddcd48f..fc5c6c6e 100644
--- a/plugins/statuslines/lualine.nix
+++ b/plugins/statuslines/lualine.nix
@@ -196,7 +196,7 @@ in
       inactiveWinbar = mkEmptySectionOption "Inactive Winbar configuration";
 
       extensions = mkOption {
-        type = types.nullOr (types.listOf types.str);
+        type = with lib.types; nullOr (listOf (either str (attrsOf anything)));
         default = null;
         example = ''[ "fzf" ]'';
         description = "list of enabled extensions";
diff --git a/tests/test-sources/plugins/statuslines/lualine.nix b/tests/test-sources/plugins/statuslines/lualine.nix
index 9a0a2f05..8817a71a 100644
--- a/tests/test-sources/plugins/statuslines/lualine.nix
+++ b/tests/test-sources/plugins/statuslines/lualine.nix
@@ -111,7 +111,18 @@
           }
         ];
       };
-      extensions = [ "nvim-tree" ];
+      extensions = [
+        "nvim-tree"
+        {
+          sections = {
+            lualine_a = [ "filename" ];
+          };
+          inactive_sections = {
+            lualine_x = [ "location" ];
+          };
+          filetypes = [ "markdown" ];
+        }
+      ];
     };
   };