diff --git a/package_unmask.conf b/package_unmask.conf
index 16a0dab..5792ffb 100644
--- a/package_unmask.conf
+++ b/package_unmask.conf
@@ -47,3 +47,5 @@ dev-lang/ocaml
 
 games-strategy/openra:playtest
 
+# insecure, but unbreaks gnucash
+dev-lang/guile:1.8