diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java
index 2c8dcdb1..578a8dad 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java
@@ -479,7 +479,7 @@ public class FlexDefaultResultSetHandler extends DefaultResultSetHandler {
 
     private boolean applyPropertyMappings(ResultSetWrapper rsw, ResultMap resultMap, MetaObject metaObject,
                                           ResultLoaderMap lazyLoader, String columnPrefix) throws SQLException {
-        final List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
+        final Collection<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
         boolean foundValues = false;
         final List<ResultMapping> propertyMappings = resultMap.getPropertyResultMappings();
         for (ResultMapping propertyMapping : propertyMappings) {
@@ -1178,7 +1178,7 @@ public class FlexDefaultResultSetHandler extends DefaultResultSetHandler {
             if (resultMapping.isSimple()) {
                 final String column = prependPrefix(resultMapping.getColumn(), columnPrefix);
                 final TypeHandler<?> th = resultMapping.getTypeHandler();
-                List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
+                Collection<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
                 // Issue #114
                 if (column != null && mappedColumnNames.contains(column.toUpperCase(Locale.ENGLISH))) {
                     final Object value = th.getResult(rsw.getResultSet(), column);
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexResultSetHandler.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexResultSetHandler.java
index f38c1c9a..7678b1c3 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexResultSetHandler.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexResultSetHandler.java
@@ -30,6 +30,7 @@ import org.apache.ibatis.type.TypeHandler;
 
 import java.sql.SQLException;
 import java.sql.Statement;
+import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Locale;
@@ -84,7 +85,7 @@ public class FlexResultSetHandler extends FlexDefaultResultSetHandler {
             String columnName = prependPrefix(mapping.getColumn(), columnPrefix);
             TypeHandler<?> typeHandler = mapping.getTypeHandler();
 
-            List<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
+            Collection<String> mappedColumnNames = rsw.getMappedColumnNames(resultMap, columnPrefix);
             if (columnName != null && mappedColumnNames.contains(columnName.toUpperCase(Locale.ENGLISH))) {
                 return typeHandler.getResult(rsw.getResultSet(), columnName);
             }