diff --git a/asql-core/src/main/java/me/zort/sqllib/internal/query/QueryNode.java b/asql-core/src/main/java/me/zort/sqllib/internal/query/QueryNode.java
index 6f731b1..1facddb 100644
--- a/asql-core/src/main/java/me/zort/sqllib/internal/query/QueryNode.java
+++ b/asql-core/src/main/java/me/zort/sqllib/internal/query/QueryNode.java
@@ -78,6 +78,7 @@ public QueryDetails buildQueryDetails() {
             break;
           }
           values.put("val_" + index, params[index]);
+          index++;
         }
         return new QueryDetails(preparedStr, values);
       }