diff -r a29623b68ca2 -r 7a98a5020c44 plover-gtk/transactionhelper.h
--- a/plover-gtk/transactionhelper.h	Mon Jun 13 12:18:42 2016 +0100
+++ b/plover-gtk/transactionhelper.h	Fri Jun 08 17:05:27 2018 +0100
@@ -33,7 +33,7 @@
 
 typedef struct _PloverTransactionHelper {
     GObject parent_instance;
-    PloverPackageSet *installed;
+    PloverPackageSet *alternate_installed,*installed;
     PloverRepository *upstream;
     PloverPackageSet *relocated_upstream;
     gchar *base;