diff --git a/app-doc/doxygen/doxygen-1.9.8.ebuild b/app-doc/doxygen/doxygen-1.9.8.ebuild
index f50d8e7578bf1..80f4bb8d9b56a 100644
--- a/app-doc/doxygen/doxygen-1.9.8.ebuild
+++ b/app-doc/doxygen/doxygen-1.9.8.ebuild
@@ -18,7 +18,7 @@ if [[ ${PV} == *9999* ]]; then
 else
 	SRC_URI="https://doxygen.nl/files/${P}.src.tar.gz"
 	SRC_URI+=" mirror://sourceforge/doxygen/rel-${PV}/${P}.src.tar.gz"
-	KEYWORDS="~alpha ~amd64 arm ~arm64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
+	KEYWORDS="~alpha ~amd64 arm ~arm64 ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
 fi
 
 # GPL-2 also for bundled libmscgen