diff --git a/poppler/Makefile.am b/poppler/Makefile.am
index 3a5f4ca..2ecc97b 100644
--- a/poppler/Makefile.am
+++ b/poppler/Makefile.am
@@ -190,6 +190,7 @@ poppler_include_HEADERS =	\
 	BuiltinFont.h		\
 	BuiltinFontTables.h	\
 	CachedFile.h		\
+	CairoOutputDev.h	\
 	Catalog.h		\
 	CharCodeToUnicode.h	\
 	CMap.h			\