diff --git a/api/src/main.ts b/api/src/main.ts
index c6be3147..1f30cb70 100644
--- a/api/src/main.ts
+++ b/api/src/main.ts
@@ -85,7 +85,7 @@ async function bootstrap() {
   }
 
   process.on('uncaughtException', (error) => {
-    if (error.stack.toLowerCase().includes('smtp'))
+    if (error.stack?.toLowerCase().includes('smtp'))
       app.get(LoggerService).error('SMTP error', error.stack);
     else throw error;
   });