diff --git a/debian/sogo-openchange.install-multiarch b/debian/sogo-openchange.install-multiarch
new file mode 100644
index 000000000..d3f119d33
--- /dev/null
+++ b/debian/sogo-openchange.install-multiarch
@@ -0,0 +1,2 @@
+usr/lib/*/mapistore_backends/*
+usr/lib/GNUstep/SOGo/SOGoBackend.MAPIStore