diff --git a/src/main/java/org/qortal/utils/ArbitraryIndexUtils.java b/src/main/java/org/qortal/utils/ArbitraryIndexUtils.java
index b4f95c03..64042604 100644
--- a/src/main/java/org/qortal/utils/ArbitraryIndexUtils.java
+++ b/src/main/java/org/qortal/utils/ArbitraryIndexUtils.java
@@ -111,7 +111,7 @@ public class ArbitraryIndexUtils {
                         indexDetails.add( new ArbitraryDataIndexDetail(indexResource.name, rank, indices.get(rank - 1) ));
                     }
                 } catch (InvalidFormatException e) {
-                   LOGGER.warn("invalid format, skipping: " + indexResource);
+                   LOGGER.debug("invalid format, skipping: " + indexResource);
                 }
             }