diff --git a/src/epub/content.opf b/src/epub/content.opf
index 1d4a366..e2fd95d 100644
--- a/src/epub/content.opf
+++ b/src/epub/content.opf
@@ -120,7 +120,7 @@
 		<item href="text/endnotes.xhtml" id="endnotes.xhtml" media-type="application/xhtml+xml"/>
 		<item href="text/epigraph.xhtml" id="epigraph.xhtml" media-type="application/xhtml+xml"/>
 		<item href="text/glossary.xhtml" id="glossary.xhtml" media-type="application/xhtml+xml" properties="glossary"/>
-		<item href="text/halftitle.xhtml" id="halftitle.xhtml" media-type="application/xhtml+xml"/>
+		<item href="text/halftitlepage.xhtml" id="halftitlepage.xhtml" media-type="application/xhtml+xml"/>
 		<item href="text/imprint.xhtml" id="imprint.xhtml" media-type="application/xhtml+xml" properties="svg"/>
 		<item href="text/introduction.xhtml" id="introduction.xhtml" media-type="application/xhtml+xml"/>
 		<item href="text/loi.xhtml" id="loi.xhtml" media-type="application/xhtml+xml"/>
@@ -134,7 +134,7 @@
 		<itemref idref="epigraph.xhtml"/>
 		<itemref idref="preamble.xhtml"/>
 		<itemref idref="introduction.xhtml"/>
-		<itemref idref="halftitle.xhtml"/>
+		<itemref idref="halftitlepage.xhtml"/>
 		<itemref idref="chapter-1.xhtml"/>
 		<itemref idref="chapter-2.xhtml"/>
 		<itemref idref="chapter-3.xhtml"/>
diff --git a/src/epub/text/halftitle.xhtml b/src/epub/text/halftitlepage.xhtml
similarity index 100%
rename from src/epub/text/halftitle.xhtml
rename to src/epub/text/halftitlepage.xhtml
diff --git a/src/epub/toc.xhtml b/src/epub/toc.xhtml
index e119379..5204451 100644
--- a/src/epub/toc.xhtml
+++ b/src/epub/toc.xhtml
@@ -23,7 +23,7 @@
 					<a href="text/introduction.xhtml">Introduction</a>
 				</li>
 				<li>
-					<a href="text/halftitle.xhtml">The Origin of Species by Means of Natural Selection</a>
+					<a href="text/halftitlepage.xhtml">The Origin of Species by Means of Natural Selection</a>
 					<ol>
 						<li>
 							<a href="text/chapter-1.xhtml"><span epub:type="z3998:roman">I</span>: Variation Under Domestication</a>
@@ -392,7 +392,7 @@
 					<a href="text/introduction.xhtml" epub:type="frontmatter introduction">Introduction</a>
 				</li>
 				<li>
-					<a href="text/halftitle.xhtml" epub:type="frontmatter halftitlepage">Half Title</a>
+					<a href="text/halftitlepage.xhtml" epub:type="frontmatter halftitlepage">Half Title</a>
 				</li>
 				<li>
 					<a href="text/chapter-1.xhtml" epub:type="bodymatter z3998:non-fiction">The Origin of Species</a>