diff --git a/meta-phosphor/classes/image_types_phosphor.bbclass b/meta-phosphor/classes/image_types_phosphor.bbclass
index 206b080..a4a05cf 100644
--- a/meta-phosphor/classes/image_types_phosphor.bbclass
+++ b/meta-phosphor/classes/image_types_phosphor.bbclass
@@ -504,7 +504,7 @@
     version = do_get_version(d)
     build_id = do_get_buildID(d)
     target_machine = d.getVar('MACHINE', True)
-    extended_version = d.getVar('EXTENDED_VERSION', True)
+    extended_version = do_get_extended_version(d)
     compatible_names = d.getVar('OBMC_COMPATIBLE_NAMES', True)
     with open('MANIFEST', 'w') as fd:
         fd.write('purpose={}\n'.format(purpose))
diff --git a/meta-phosphor/classes/image_version.bbclass b/meta-phosphor/classes/image_version.bbclass
index 2a6d75a..e10bcd7 100644
--- a/meta-phosphor/classes/image_version.bbclass
+++ b/meta-phosphor/classes/image_version.bbclass
@@ -34,3 +34,7 @@
 def do_get_buildID(d):
     build_id = do_get_os_release_value(d, 'BUILD_ID')
     return build_id
+
+def do_get_extended_version(d):
+    extended_version = do_get_os_release_value(d, 'EXTENDED_VERSION')
+    return extended_version