Index: wp-admin/network/site-options.php
===================================================================
--- wp-admin/network/site-options.php	(revision 16600)
+++ wp-admin/network/site-options.php	(working copy)
@@ -44,7 +44,7 @@
 			update_option( $key, stripslashes( $val ), false ); // no need to refresh blog details yet
 		$c++;
 	}
-
+	do_action( 'wpmu_update_blog_options' );
 	restore_current_blog();
 	wp_redirect( add_query_arg( array( 'update' => 'updated', 'id' => $id ), 'site-options.php') );
 }
Index: wp-admin/network/site-users.php
===================================================================
--- wp-admin/network/site-users.php	(revision 16600)
+++ wp-admin/network/site-users.php	(working copy)
@@ -129,7 +129,8 @@
 			}
 			break;
 	}
-	
+
+	do_action( 'wpmu_update_blog_options' );
 	restore_current_blog();
 	wp_redirect( add_query_arg( 'update', $update, wp_get_referer() ) );
 	exit();
Index: wp-admin/network/site-themes.php
===================================================================
--- wp-admin/network/site-themes.php	(revision 16600)
+++ wp-admin/network/site-themes.php	(working copy)
@@ -76,7 +76,8 @@
 				unset( $allowed_themes[ $theme ] );
 			break;
 	}
-	
+
+	do_action( 'wpmu_update_blog_options' );
 	update_option( 'allowedthemes', $allowed_themes );
 	restore_current_blog();