diff --git a/entitycache.install b/entitycache.install
index ba663d3..648a019 100644
--- a/entitycache.install
+++ b/entitycache.install
@@ -34,7 +34,15 @@ function entitycache_disable() {
 }
 
 /**
- * Set entitycache_enabled variable for existing installs.
+ * Empty update.
  */
-function entity_cache_update_7001() {
+function entitycache_update_7001() {
+}
+
+/**
+ * Rebuild entity info cache and registry.
+ */
+function entitycache_update_7002() {
+  registry_update();
+  entity_info_cache_clear();
 }