diff --git a/app-forensics/libewf/libewf-20171104.ebuild b/app-forensics/libewf/libewf-20171104.ebuild
index 340c90745291d..d9ec629f937c4 100644
--- a/app-forensics/libewf/libewf-20171104.ebuild
+++ b/app-forensics/libewf/libewf-20171104.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://github.com/libyal/libewf/releases/download/${PV}/${PN}-experime
 
 LICENSE="BSD"
 SLOT="0/3"
-KEYWORDS="amd64 hppa ppc ~ppc64 x86"
+KEYWORDS="amd64 ~arm hppa ppc ~ppc64 x86"
 # upstream bug #2597171, pyewf has implicit declarations
 #IUSE="debug python unicode"
 IUSE="bfio bzip2 debug +fuse nls +ssl static-libs +uuid unicode zlib"