Index: bp-blogs.php
===================================================================
--- bp-blogs.php	(revision 2989)
+++ bp-blogs.php	(working copy)
@@ -295,12 +295,12 @@
 }
 
 function bp_blogs_record_existing_blogs() {
-	global $bp, $wpdb;
+	global $bp, $wpdb, $current_site;
 
 	/* Truncate user blogs table and re-record. */
 	$wpdb->query( "TRUNCATE TABLE {$bp->blogs->table_name}" );
 
-	$blog_ids = $wpdb->get_col( $wpdb->prepare( "SELECT blog_id FROM {$wpdb->base_prefix}blogs WHERE mature = 0 AND spam = 0 AND deleted = 0" ) );
+	$blog_ids = $wpdb->get_col( $wpdb->prepare( "SELECT blog_id FROM {$wpdb->base_prefix}blogs WHERE mature = 0 AND spam = 0 AND deleted = 0 AND site_id = %d", $current_site->id ) );
 
 	if ( $blog_ids ) {
 		foreach( (array)$blog_ids as $blog_id ) {
@@ -747,4 +747,4 @@
 add_action( 'bp_blogs_new_blog', 'bp_core_clear_cache' );
 add_action( 'bp_blogs_remove_data', 'bp_core_clear_cache' );
 
-?>
\ No newline at end of file
+?>