diff --git a/packages/plugin-vue/src/index.ts b/packages/plugin-vue/src/index.ts
index 17d00add..2ac6d5b8 100644
--- a/packages/plugin-vue/src/index.ts
+++ b/packages/plugin-vue/src/index.ts
@@ -221,18 +221,18 @@ export default function vuePlugin(rawOptions: Options = {}): Plugin<Api> {
           dedupe: config.build?.ssr ? [] : ['vue'],
         },
         define: {
-          __VUE_OPTIONS_API__:
-            (options.value.features?.optionsAPI ||
-              config.define?.__VUE_OPTIONS_API__) ??
-            true,
-          __VUE_PROD_DEVTOOLS__:
-            (options.value.features?.prodDevtools ||
-              config.define?.__VUE_PROD_DEVTOOLS__) ??
-            false,
-          __VUE_PROD_HYDRATION_MISMATCH_DETAILS__:
-            (options.value.features?.prodHydrationMismatchDetails ||
-              config.define?.__VUE_PROD_HYDRATION_MISMATCH_DETAILS__) ??
-            false,
+          __VUE_OPTIONS_API__: !!(
+            (options.value.features?.optionsAPI ?? true) ||
+            config.define?.__VUE_OPTIONS_API__
+          ),
+          __VUE_PROD_DEVTOOLS__: !!(
+            options.value.features?.prodDevtools ||
+            config.define?.__VUE_PROD_DEVTOOLS__
+          ),
+          __VUE_PROD_HYDRATION_MISMATCH_DETAILS__: !!(
+            options.value.features?.prodHydrationMismatchDetails ||
+            config.define?.__VUE_PROD_HYDRATION_MISMATCH_DETAILS__
+          ),
         },
         ssr: {
           // @ts-ignore -- config.legacy.buildSsrCjsExternalHeuristics will be removed in Vite 5