diff --git a/src/sqlancer/duckdb/gen/DuckDBIndexGenerator.java b/src/sqlancer/duckdb/gen/DuckDBIndexGenerator.java
index 597fda19f..b6350a081 100644
--- a/src/sqlancer/duckdb/gen/DuckDBIndexGenerator.java
+++ b/src/sqlancer/duckdb/gen/DuckDBIndexGenerator.java
@@ -23,7 +23,7 @@ public static SQLQueryAdapter getQuery(DuckDBGlobalState globalState) {
             sb.append("UNIQUE ");
         }
         sb.append("INDEX ");
-        sb.append(Randomly.fromOptions("i0", "i1", "i2", "i3", "i4")); // cannot query this information
+        sb.append(globalState.getSchema().getFreeIndexName());
         sb.append(" ON ");
         DuckDBTable table = globalState.getSchema().getRandomTable(t -> !t.isView());
         sb.append(table.getName());