diff --git a/src/env.js b/src/env.js
index 1ea009853..5f931df4d 100644
--- a/src/env.js
+++ b/src/env.js
@@ -39,15 +39,7 @@ const env = createEnv({
       .refine((s) => s === 'light' || s === 'dark')
       .optional()
       .default('light'),
-    NEXT_PUBLIC_DOCKER_ENABLED: z
-      .string()
-      .toLowerCase()
-      // only allow "true" or "false"
-      .refine((s) => s === 'true' || s === 'false')
-      // transform to boolean
-      .transform((s) => s === 'true')
-      .optional()
-      .default('false'),
+    NEXT_PUBLIC_DOCKER_ENABLED: z.boolean().optional().default(false),
   },
 
   /**
@@ -64,7 +56,7 @@ const env = createEnv({
     NEXT_PUBLIC_DEFAULT_COLOR_SCHEME: process.env.DEFAULT_COLOR_SCHEME,
     NEXT_PUBLIC_PORT: process.env.PORT,
     NEXT_PUBLIC_NODE_ENV: process.env.NODE_ENV,
-    NEXT_PUBLIC_DOCKER_ENABLED: process.env.DOCKER_ENABLED,
+    NEXT_PUBLIC_DOCKER_ENABLED: process.env.DOCKER_PORT && process.env.DOCKER_HOST,
   },
 });