diff --git a/rich_snippets.install b/rich_snippets.install
index 7371b6a..6b6b7a6 100644
--- a/rich_snippets.install
+++ b/rich_snippets.install
@@ -9,8 +9,8 @@
  * Implements hook_install().
  */
 function rich_snippets_install() {
-  variable_set('date_format_rich_snippets_published_date', 'M t, Y');
-  variable_set('date_format_rich_snippets_event_date', 'D, M t, Y');
+  variable_set('date_format_rich_snippets_published_date', 'M j, Y');
+  variable_set('date_format_rich_snippets_event_date', 'D, M j, Y');
 }
 
 /**
@@ -39,3 +39,21 @@ function rich_snippets_update_7100() {
     ->condition('format', 'D, M t, Y')
     ->execute();
 }
+
+/**
+ * Forgot to update the install function. Recheck everything!
+ */
+function rich_snippets_update_7101() {
+  variable_set('date_format_rich_snippets_published_date', 'M j, Y');
+  variable_set('date_format_rich_snippets_event_date', 'D, M j, Y');
+
+  // Delete the bad formats form the database.
+  db_delete('date_formats')
+    ->condition('type', 'rich_snippets_published_date')
+    ->condition('format', 'M t, Y')
+    ->execute();
+  db_delete('date_formats')
+    ->condition('type', 'rich_snippets_event_date')
+    ->condition('format', 'D, M t, Y')
+    ->execute();
+}
\ No newline at end of file