diff -r a29623b68ca2 -r a69a7f215b92 pre-inst/pre-inst.c
--- a/pre-inst/pre-inst.c	Mon Jun 13 12:18:42 2016 +0100
+++ b/pre-inst/pre-inst.c	Fri Jun 08 12:14:49 2018 +0100
@@ -91,7 +91,7 @@
 {
     int retval;
     char *path=data;
-    gchar *s;
+    gchar *s,*uri;
     char *install[]={"plover-gtkui",NULL};
     GError *error=NULL;
     prefix=plover_pre_install_prefix();
@@ -99,8 +99,10 @@
     plover_log_open(s);
     g_free(s);
     s=g_strconcat(prefix,"/var/lib/razor",NULL);
-    razor_set_database_path(s);
+    uri=razor_path_to_uri(s);
     g_free(s);
+    razor_set_database_uri(uri);
+    free(uri);
     if (verify_and_fix(prefix))
     {
 	free(path);
@@ -192,14 +194,16 @@
 gboolean pre_uninstall(void)
 {
     gboolean success;
-    gchar *s;
+    gchar *s,*uri;
     GError *error=NULL;
     razor_set_lua_loader("posix",(void (*)())luaopen_posix);
     razor_set_lua_loader("whelk",(void (*)())luaopen_whelk);
     prefix=plover_pre_install_prefix();
     s=g_strconcat(prefix,"/var/lib/razor",NULL);
-    razor_set_database_path(s);
+    uri=razor_path_to_uri(s);
     g_free(s);
+    razor_set_database_uri(uri);
+    free(uri);
     success=plover_remove(NULL,&error);
     if (error)
     {