diff --git a/src/main/java/org/apache/ibatis/type/TypeAliasRegistry.java b/src/main/java/org/apache/ibatis/type/TypeAliasRegistry.java
index bc103505abe..d182d531311 100644
--- a/src/main/java/org/apache/ibatis/type/TypeAliasRegistry.java
+++ b/src/main/java/org/apache/ibatis/type/TypeAliasRegistry.java
@@ -105,7 +105,7 @@ public TypeAliasRegistry() {
     registerAlias("collection", Collection.class);
     registerAlias("iterator", Iterator.class);
 
-    registerAlias("ResultSet", ResultSet.class);
+    registerAlias("resultset", ResultSet.class);
   }
 
   @SuppressWarnings("unchecked")