diff --git a/source/net/yacy/search/schema/CollectionConfiguration.java b/source/net/yacy/search/schema/CollectionConfiguration.java
index 5c070785d..c97e3fdd6 100644
--- a/source/net/yacy/search/schema/CollectionConfiguration.java
+++ b/source/net/yacy/search/schema/CollectionConfiguration.java
@@ -139,7 +139,7 @@ public class CollectionConfiguration extends SchemaConfiguration implements Seri
     }
     
     public Ranking getRanking(final int idx) {
-        return this.rankings.get(idx);
+        return this.rankings.get(idx % this.rankings.size()); // simply prevent out of bound exeption (& callers don't check for null)
     }
     
     public Ranking getRanking(final String name) {