diff --git a/action.yml b/action.yml
index 584fce7b..37246993 100644
--- a/action.yml
+++ b/action.yml
@@ -23,9 +23,10 @@ inputs:
     default: no
   
   # Filter repositories by user affiliations
+  # Note that it may affect some plugin outputs (broad affiliations will result in less representative metrics)
   repositories_affiliations:
     description: Repositories affiliations
-    default: ""
+    default: owner
   
   # ====================================================================================
   # 🧱 Core