diff --git a/dev-scheme/racket/racket-8.1.ebuild b/dev-scheme/racket/racket-8.1.ebuild
index 39cd7f1..06c0a96 100644
--- a/dev-scheme/racket/racket-8.1.ebuild
+++ b/dev-scheme/racket/racket-8.1.ebuild
@@ -26,7 +26,7 @@ REQUIRED_USE="futures? ( jit )"
 DEPEND="
 	!dev-tex/slatex
 	dev-db/sqlite:3
-	dev-libs/libffi
+	dev-libs/libffi:=
 	X? (
 	   dev-util/desktop-file-utils
 	   media-libs/libpng:0