diff -r a29623b68ca2 -r 419a02fa70db plover-gtk/transactionhelper.c
--- a/plover-gtk/transactionhelper.c	Mon Jun 13 12:18:42 2016 +0100
+++ b/plover-gtk/transactionhelper.c	Thu Jun 16 12:11:14 2016 +0100
@@ -95,6 +95,7 @@
 static void
   plover_transaction_helper_class_init(PloverTransactionHelperClass *klass)
 {
+    plover__file_io_init();
     GObjectClass *gobject_class=G_OBJECT_CLASS(klass);
     gobject_class->finalize=
       (void (*)(GObject *))plover_transaction_helper_finalize;