diff --git a/deploy_mediaconch/add_dnx_mappings/add_dnx_mappings.pl b/deploy_mediaconch/add_dnx_mappings/add_dnx_mappings.pl
index 51842c648f1c40a158d11d31ac2c22f5f2de0b9b..da41a199770630bb222cec62a350e44813359866 100644
--- a/deploy_mediaconch/add_dnx_mappings/add_dnx_mappings.pl
+++ b/deploy_mediaconch/add_dnx_mappings/add_dnx_mappings.pl
@@ -63,6 +63,7 @@ my %mediainfo2dnx = (
     "mediainfo.track.General.Encoded_Library"                 => "general.writing_library",
     "mediainfo.track.General.Encoded_Library_Name"            => "general.encoded_library_name",
     "mediainfo.track.General.Encoded_Library_Version"         => "general.encoded_library_version",
+    "mediainfo.track.General.extra.Attachments"               => "general.extra.attachments",
     # "mediainfo.track.General.extra.bext_Present"              => "general.extra.bext_present",  # not in FL
     "mediainfo.track.General.extra.ErrorDetectionType"        => "general.extra.error_detection_type",
     "mediainfo.track.General.extra.IsTruncated"               => "general.extra.is_truncated",
diff --git a/resources/properties.xml b/resources/properties.xml
index bb4b965afebda9293bfd9e9dd1b505953072cb94..c4f9da4b8ea7d560d9545ee54fcaf8e268d95a95 100644
--- a/resources/properties.xml
+++ b/resources/properties.xml
@@ -34,6 +34,7 @@
 <property>mediainfo.track.General.Encoded_Library</property>
 <property>mediainfo.track.General.Encoded_Library_Name</property>
 <property>mediainfo.track.General.Encoded_Library_Version</property>
+<property>mediainfo.track.General.extra.Attachments</property>
 <property>mediainfo.track.General.extra.ErrorDetectionType</property>
 <property>mediainfo.track.General.extra.IsTruncated</property>
 <property>mediainfo.track.General.extra.bext_Present</property>
diff --git a/resources/transformer.xsl b/resources/transformer.xsl
index e810cfae3d7914ab13df8a7b8fc6ad6fc0807494..1059a42c17978072fb209a58947f382d59beb8b7 100644
--- a/resources/transformer.xsl
+++ b/resources/transformer.xsl
@@ -89,6 +89,7 @@
 					<property>mediainfo.track.General.Encoded_Library</property>
 					<property>mediainfo.track.General.Encoded_Library_Name</property>
 					<property>mediainfo.track.General.Encoded_Library_Version</property>
+					<property>mediainfo.track.General.extra.Attachments</property>
 					<property>mediainfo.track.General.extra.ErrorDetectionType</property>
 					<property>mediainfo.track.General.extra.IsTruncated</property>
 					<property>mediainfo.track.General.extra.bext_Present</property>