diff --git a/src/epub/content.opf b/src/epub/content.opf
index 7ba5ea5..8d5e5f5 100644
--- a/src/epub/content.opf
+++ b/src/epub/content.opf
@@ -8,9 +8,9 @@
 		<dc:publisher id="publisher">Standard Ebooks</dc:publisher>
 		<meta property="file-as" refines="#publisher">Standard Ebooks</meta>
 		<meta property="se:url.homepage" refines="#publisher">https://standardebooks.org</meta>
-		<meta property="se:role" refines="#publisher" scheme="marc:relators">bkd</meta>
-		<meta property="se:role" refines="#publisher" scheme="marc:relators">mdc</meta>
-		<meta property="se:role" refines="#publisher" scheme="marc:relators">pbl</meta>
+		<meta property="role" refines="#publisher" scheme="marc:relators">bkd</meta>
+		<meta property="role" refines="#publisher" scheme="marc:relators">mdc</meta>
+		<meta property="role" refines="#publisher" scheme="marc:relators">pbl</meta>
 		<dc:contributor id="type-designer">The League of Moveable Type</dc:contributor>
 		<meta property="file-as" refines="#type-designer">League of Moveable Type, The</meta>
 		<meta property="se:url.homepage" refines="#type-designer">https://www.theleagueofmoveabletype.com</meta>
@@ -102,11 +102,11 @@
 		<meta property="file-as" refines="#producer-1">Cabal, Alex</meta>
 		<meta property="se:url.homepage" refines="#producer-1">https://alexcabal.com</meta>
 		<meta property="role" refines="#producer-1" scheme="marc:relators">bkp</meta>
-		<meta property="se:role" refines="#producer-1" scheme="marc:relators">blw</meta>
-		<meta property="se:role" refines="#producer-1" scheme="marc:relators">cov</meta>
-		<meta property="se:role" refines="#producer-1" scheme="marc:relators">mrk</meta>
-		<meta property="se:role" refines="#producer-1" scheme="marc:relators">pfr</meta>
-		<meta property="se:role" refines="#producer-1" scheme="marc:relators">tyg</meta>
+		<meta property="role" refines="#producer-1" scheme="marc:relators">blw</meta>
+		<meta property="role" refines="#producer-1" scheme="marc:relators">cov</meta>
+		<meta property="role" refines="#producer-1" scheme="marc:relators">mrk</meta>
+		<meta property="role" refines="#producer-1" scheme="marc:relators">pfr</meta>
+		<meta property="role" refines="#producer-1" scheme="marc:relators">tyg</meta>
 	</metadata>
 	<manifest>
 		<item href="css/core.css" id="core.css" media-type="text/css"/>