diff --git a/lib/Serverless.js b/lib/Serverless.js
index <HASH>..<HASH> 100644
--- a/lib/Serverless.js
+++ b/lib/Serverless.js
@@ -445,7 +445,7 @@ class Serverless {
 
   // Only for internal use
   _logDeprecation(code, message) {
-    return logDeprecation(code, message, { serviceConfig: this.service });
+    return logDeprecation(code, message, { serviceConfig: this.configurationInput });
   }
 
   // To be used by external plugins
fix: Ensure early access to configuration in logDeprecation method