diff --git a/src/main/java/org/qortal/data/arbitrary/IndexCache.java b/src/main/java/org/qortal/data/arbitrary/IndexCache.java
index d688af76..dd5c12ab 100644
--- a/src/main/java/org/qortal/data/arbitrary/IndexCache.java
+++ b/src/main/java/org/qortal/data/arbitrary/IndexCache.java
@@ -1,7 +1,5 @@
 package org.qortal.data.arbitrary;
 
-import org.qortal.list.ResourceList;
-
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -9,6 +7,7 @@ public class IndexCache {
 
     public static final IndexCache SINGLETON = new IndexCache();
     private ConcurrentHashMap<String, List<ArbitraryDataIndexDetail>> indicesByTerm = new ConcurrentHashMap<>();
+    private ConcurrentHashMap<String, List<ArbitraryDataIndexDetail>> indicesByIssuer = new ConcurrentHashMap<>();
 
     public static IndexCache getInstance() {
         return SINGLETON;
@@ -17,4 +16,8 @@ public class IndexCache {
     public ConcurrentHashMap<String, List<ArbitraryDataIndexDetail>> getIndicesByTerm() {
         return indicesByTerm;
     }
+
+    public ConcurrentHashMap<String, List<ArbitraryDataIndexDetail>> getIndicesByIssuer() {
+        return indicesByIssuer;
+    }
 }