diff --git a/exampleSite/tailwind-plugin/tw-theme.js b/exampleSite/tailwind-plugin/tw-theme.js
index 70b0a28..230a0f3 100644
--- a/exampleSite/tailwind-plugin/tw-theme.js
+++ b/exampleSite/tailwind-plugin/tw-theme.js
@@ -51,11 +51,22 @@ module.exports = plugin.withOptions(() => {
     const groups = [
       { colors: themeConfig.colors.default.theme_color, prefix: "" },
       { colors: themeConfig.colors.default.text_color, prefix: "" },
-      {
-        colors: themeConfig.colors.darkmode.theme_color,
-        prefix: "darkmode-",
-      },
-      { colors: themeConfig.colors.darkmode.text_color, prefix: "darkmode-" },
+      ...(themeConfig.colors.darkmode?.theme_color
+        ? [
+            {
+              colors: themeConfig.colors.darkmode.theme_color,
+              prefix: "darkmode-",
+            },
+          ]
+        : []),
+      ...(themeConfig.colors.darkmode?.text_color
+        ? [
+            {
+              colors: themeConfig.colors.darkmode.text_color,
+              prefix: "darkmode-",
+            },
+          ]
+        : []),
     ];
 
     // Set color variables