diff --git a/dev-erlang/proper/proper-1.1_p20160426.ebuild b/dev-erlang/proper/proper-1.1_p20160426.ebuild
index 438981192df1f..314c0c44dfb0a 100644
--- a/dev-erlang/proper/proper-1.1_p20160426.ebuild
+++ b/dev-erlang/proper/proper-1.1_p20160426.ebuild
@@ -14,7 +14,8 @@ LICENSE="GPL-3"
 SLOT="0"
 KEYWORDS="~amd64 ~arm ~ia64 ~ppc ~sparc ~x86"
 
-DEPEND=">=dev-lang/erlang-17.1"
+DEPEND=">=dev-lang/erlang-17.1
+	<dev-lang/erlang-19"
 RDEPEND="${DEPEND}"
 
 DOCS=( README.md THANKS )