diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index a0849b1..0cf95db 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1085,3 +1085,7 @@ function system_schema() {
 
   return $schema;
 }
+
+function system_update_8000() {
+  boo();
+}