diff --git a/beehive-jdbc-mapper/src/main/java/com/moparisthebest/jdbc/RowToObjectMapper.java b/beehive-jdbc-mapper/src/main/java/com/moparisthebest/jdbc/RowToObjectMapper.java
index 90d1eee..c5bf3bc 100644
--- a/beehive-jdbc-mapper/src/main/java/com/moparisthebest/jdbc/RowToObjectMapper.java
+++ b/beehive-jdbc-mapper/src/main/java/com/moparisthebest/jdbc/RowToObjectMapper.java
@@ -143,6 +143,7 @@ public class RowToObjectMapper<T> extends RowMapper {
 	 *
 	 * @return An object instance.
 	 */
+	@SuppressWarnings({"unchecked"})
 	public T mapRowToReturnType() {
 
 		if (resultSetConstructor)
@@ -195,7 +196,7 @@ public class RowToObjectMapper<T> extends RowMapper {
 
 			try {
 				if (typeId != TypeMappingsFactory.TYPE_UNKNOWN) {
-					return _returnTypeClass.cast(extractColumnValue(1, typeId));
+					return (T)extractColumnValue(1, typeId);
 				} else {
 					// we still might want a single value (i.e. java.util.Date)
 					Object val = extractColumnValue(1, typeId);
diff --git a/beehive-jdbc-mapper/src/test/java/com/moparisthebest/jdbc/QueryMapperTest.java b/beehive-jdbc-mapper/src/test/java/com/moparisthebest/jdbc/QueryMapperTest.java
index 5f80f85..bd9368d 100644
--- a/beehive-jdbc-mapper/src/test/java/com/moparisthebest/jdbc/QueryMapperTest.java
+++ b/beehive-jdbc-mapper/src/test/java/com/moparisthebest/jdbc/QueryMapperTest.java
@@ -221,6 +221,18 @@ public class QueryMapperTest {
 		Assert.assertEquals(map, qm.toMap("SELECT person_no AS first_no, person_no AS last_no FROM person WHERE person_no < 4", Long.class, Long.class));
 	}
 
+	@Test
+	public void testSelectLongObject() throws Throwable {
+		final Long expected = fieldPerson1.getPersonNo();
+		Assert.assertEquals(expected, qm.toObject("SELECT person_no FROM person WHERE person_no = ?", Long.class, expected));
+	}
+
+	@Test
+	public void testSelectLongPrimitive() throws Throwable {
+		final Long expected = fieldPerson1.getPersonNo();
+		Assert.assertEquals(expected, qm.toObject("SELECT person_no FROM person WHERE person_no = ?", long.class, expected));
+	}
+
 
 	private List<Map<String, String>> getListMap() {
 		final List<Map<String, String>> arrayMap = new ArrayList<Map<String, String>>();