diff --git a/net-im/spectrum2/spectrum2-9999.ebuild b/net-im/spectrum2/spectrum2-9999.ebuild
index ddce66d..6affad3 100644
--- a/net-im/spectrum2/spectrum2-9999.ebuild
+++ b/net-im/spectrum2/spectrum2-9999.ebuild
@@ -97,7 +97,7 @@ src_configure() {
 		-DENABLE_TESTS="$(usex test)"
 		-DENABLE_TWITTER="$(usex twitter)"
 		-DENABLE_XMPP="$(usex xmpp)"
-		-DLIB_install_DIR="$(get_libdir)"
+		-DLIB_INSTALL_DIR="$(get_libdir)"
 	)
 
 	cmake-utils_src_configure