diff --git a/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeResultSetMapper.java b/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeResultSetMapper.java
index 8896f2c..9731d23 100644
--- a/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeResultSetMapper.java
+++ b/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeResultSetMapper.java
@@ -44,7 +44,7 @@ public class CompileTimeResultSetMapper {
 	}
 
 	public final Types types;
-	public final TypeMirror collectionType, mapType, mapCollectionType, iteratorType, listIteratorType, finishableType, resultSetType, resultSetIterableType;
+	public final TypeMirror collectionType, mapType, mapCollectionType, iteratorType, listIteratorType, finishableType, resultSetType, resultSetIterableType, byteArrayType;
 	//IFJAVA8_START
 	public final TypeMirror streamType;
 	//IFJAVA8_END
@@ -69,6 +69,8 @@ public class CompileTimeResultSetMapper {
 
 		resultSetIterableType = types.getDeclaredType(elements.getTypeElement(ResultSetIterable.class.getCanonicalName()), types.getWildcardType(null, null));
 
+		byteArrayType = types.getArrayType(types.getPrimitiveType(TypeKind.BYTE));
+
 		//IFJAVA8_START
 		streamType = types.getDeclaredType(elements.getTypeElement(Stream.class.getCanonicalName()), types.getWildcardType(null, null));
 		//IFJAVA8_END
@@ -96,7 +98,7 @@ public class CompileTimeResultSetMapper {
 		//final Class returnType = m.getReturnType();
 		final TypeMirror returnTypeMirror = eeMethod.getReturnType();
 		//final Class returnType = typeMirrorToClass(returnTypeMirror);
-		if (returnTypeMirror.getKind() == TypeKind.ARRAY) {
+		if (returnTypeMirror.getKind() == TypeKind.ARRAY && !types.isSameType(returnTypeMirror, byteArrayType)) {
 			final TypeMirror componentType = ((ArrayType) returnTypeMirror).getComponentType();
 			toArray(w, keys, componentType, maxRows, cal, cleaner, reflectionFields);
 		} else if (types.isAssignable(returnTypeMirror, collectionType)) {
diff --git a/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeRowToObjectMapper.java b/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeRowToObjectMapper.java
index b0868c4..edbf81a 100644
--- a/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeRowToObjectMapper.java
+++ b/jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/CompileTimeRowToObjectMapper.java
@@ -76,7 +76,7 @@ public class CompileTimeRowToObjectMapper {
 		} else {
 			_returnTypeClass = returnTypeClass;
 			// detect if we want an array back
-			componentType = returnTypeClass.getKind() == TypeKind.ARRAY ? ((ArrayType) returnTypeClass).getComponentType() : null;
+			componentType = returnTypeClass.getKind() == TypeKind.ARRAY && !rsm.types.isSameType(returnTypeClass, rsm.byteArrayType) ? ((ArrayType) returnTypeClass).getComponentType() : null;
 
 			// detect if returnTypeClass has a constructor that takes a ResultSet, if so, our job couldn't be easier...
 			boolean resultSetConstructor = false, defaultConstructor = false, paramConstructor = false;
diff --git a/jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java b/jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java
index c02b43c..f612cba 100644
--- a/jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java
+++ b/jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java
@@ -223,4 +223,8 @@ public interface PersonDAO extends JdbcMapper {
 	ZoneOffset getZoneOffsetStr(long valNo);
 
 	//IFJAVA8_END
+
+	// test blob
+	@JdbcMapper.SQL("SELECT some_blob FROM val WHERE val_no = {valNo}")
+	byte[] getBlob(long valNo);
 }
diff --git a/presto-sqlparser/genPrestoPersonDAO.sh b/presto-sqlparser/genPrestoPersonDAO.sh
index a77c17a..044882e 100755
--- a/presto-sqlparser/genPrestoPersonDAO.sh
+++ b/presto-sqlparser/genPrestoPersonDAO.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 cd "$(dirname "$0")"
 
-sed -e 's/PersonDAO extends Closeable/PrestoPersonDAO extends PersonDAO/' -e 's@//		, sqlParser = SimpleSQLParser.class@		, sqlParser = PrestoSQLParser.class@' ../jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java > src/test/java/com/moparisthebest/jdbc/codegen/PrestoPersonDAO.java
+sed -e 's/PersonDAO extends JdbcMapper/PrestoPersonDAO extends PersonDAO/' -e 's@//		, sqlParser = SimpleSQLParser.class@		, sqlParser = PrestoSQLParser.class@' ../jdbcmapper/src/test/java/com/moparisthebest/jdbc/codegen/PersonDAO.java > src/test/java/com/moparisthebest/jdbc/codegen/PrestoPersonDAO.java
 
diff --git a/presto-sqlparser/src/test/java/com/moparisthebest/jdbc/codegen/PrestoPersonDAO.java b/presto-sqlparser/src/test/java/com/moparisthebest/jdbc/codegen/PrestoPersonDAO.java
index fd46e85..2722571 100644
--- a/presto-sqlparser/src/test/java/com/moparisthebest/jdbc/codegen/PrestoPersonDAO.java
+++ b/presto-sqlparser/src/test/java/com/moparisthebest/jdbc/codegen/PrestoPersonDAO.java
@@ -22,7 +22,7 @@ import java.time.*;
  * Created by mopar on 5/24/17.
  */
 @JdbcMapper.Mapper(
-//		jndiName = "bob",
+		jndiName = "bob",
 //		databaseType = JdbcMapper.DatabaseType.ORACLE
 		cachePreparedStatements = JdbcMapper.OptionalBool.FALSE
 		, sqlParser = PrestoSQLParser.class
@@ -223,4 +223,8 @@ public interface PrestoPersonDAO extends PersonDAO {
 	ZoneOffset getZoneOffsetStr(long valNo);
 
 	//IFJAVA8_END
+
+	// test blob
+	@JdbcMapper.SQL("SELECT some_blob FROM val WHERE val_no = {valNo}")
+	byte[] getBlob(long valNo);
 }