diff --git a/token.install b/token.install
index 5ac9651..62ea40f 100644
--- a/token.install
+++ b/token.install
@@ -49,6 +49,18 @@ function token_schema() {
 }
 
 /**
+ * Implements hook_enable().
+ */
+function token_enable() {
+  // When upgrading from Token module 6.x, we have to explicitly create the
+  // cache_token table because hook_schema is only fired on first installs.
+  if (drupal_get_installed_schema_version('token') < 7000) {
+    token_update_7000();
+    drupal_set_installed_schema_version('token', 7000);
+  }
+}
+
+/**
  * Add the cache_token table.
  */
 function token_update_7000() {