diff --git a/app/client/platforms/openai.ts b/app/client/platforms/openai.ts
index 22e9727..c694b59 100644
--- a/app/client/platforms/openai.ts
+++ b/app/client/platforms/openai.ts
@@ -107,7 +107,7 @@ export class ChatGPTApi implements LLMApi {
         });
         if (v.image_url) {
           let image_url_data = "";
-          if (process.env.NEXT_PUBLIC_ENABLE_BASE64 == '1') {
+          if (process.env.NEXT_PUBLIC_ENABLE_BASE64) {
             var base64Data = await getImageBase64Data(v.image_url);
             interface MIMEMap {
               [key: string]: string;