diff --git a/src/index.js b/src/index.js
index e3f4794ac5790e4f535df147ce5b3e75921b275d..2b71ee5505ddf0f8acc6cd06bf43a88bbb457f79 100644
--- a/src/index.js
+++ b/src/index.js
@@ -79,6 +79,12 @@ async function start(fields, cozyParameters) {
     sgeLogin = cozyParameters.secret.sgeLogin
   }
 
+  // Prevent missing configuration
+  if (!baseUrl || !apiAuthKey || !contractId || !sgeLogin) {
+    log('error', `Missing configuration secrets`)
+    throw errors.VENDOR_DOWN
+  }
+
   /**
    * If it's first start we have to do the following operations:
    * - verify pdl are matching