diff --git a/ai-global-activity.php b/ai-global-activity.php
index f195d6d4fcc4989e9aef69703ec2dfa4c7b25f57..475f934f51d94fb267b2ecf8ed5ede05a47d65f9 100644
--- a/ai-global-activity.php
+++ b/ai-global-activity.php
@@ -24,14 +24,14 @@ function ai_activity_install() {
   $charset_collate = $wpdb->get_charset_collate();
 
   $sql = "CREATE TABLE $table_name (
-    blog_id integer(11) NOT NULL,
-    post_id integer(11) NOT NULL,
+    blog_id int(11) NOT NULL,
+    post_id int(11) NOT NULL,
     title text,
     author text,
     content text,
     url text,
     published_at datetime DEFAULT current_timestamp(),
-    PRIMARY KEY  (blog_id, post_id),
+    PRIMARY KEY  (blog_id,post_id),
     KEY published_at (published_at)
   ) $charset_collate;";