diff --git a/inc/Data/Driver/Metadata/ExifReader.php b/inc/Data/Driver/Metadata/ExifReader.php
index fd7104f6..dee187e4 100644
--- a/inc/Data/Driver/Metadata/ExifReader.php
+++ b/inc/Data/Driver/Metadata/ExifReader.php
@@ -1,5 +1,5 @@
 <?php
-namespace Vichan\Data\Driver;
+namespace Vichan\Data\Driver\Metadata;
 
 
 interface ExifReader {
diff --git a/inc/Data/Driver/Metadata/ExifReaderFactory.php b/inc/Data/Driver/Metadata/ExifReaderFactory.php
index 2f078f81..2b51e6dd 100644
--- a/inc/Data/Driver/Metadata/ExifReaderFactory.php
+++ b/inc/Data/Driver/Metadata/ExifReaderFactory.php
@@ -1,5 +1,5 @@
 <?php
-namespace Vichan\Data\Driver;
+namespace Vichan\Data\Driver\Metadata;
 
 
 class ExifReaderFactory {
diff --git a/inc/Data/Driver/Metadata/JpgExifReader.php b/inc/Data/Driver/Metadata/JpgExifReader.php
index c5857147..d80c5cf9 100644
--- a/inc/Data/Driver/Metadata/JpgExifReader.php
+++ b/inc/Data/Driver/Metadata/JpgExifReader.php
@@ -1,5 +1,5 @@
 <?php
-namespace Vichan\Data\Driver;
+namespace Vichan\Data\Driver\Metadata;
 
 
 class JpgExifReader implements ExifReader {