Index: wp-includes/class-wp-xmlrpc-server.php
===================================================================
--- wp-includes/class-wp-xmlrpc-server.php	(revision 20636)
+++ wp-includes/class-wp-xmlrpc-server.php	(working copy)
@@ -4144,15 +4144,17 @@
 			$dateCreated = $content_struct['dateCreated']->getIso();
 
 		if ( !empty( $dateCreated ) ) {
-			$post_date = get_date_from_gmt(iso8601_to_datetime($dateCreated));
-			$post_date_gmt = iso8601_to_datetime($dateCreated, 'GMT');
+			$post_date = get_date_from_gmt( iso8601_to_datetime( $dateCreated ) );
+			$post_date_gmt = iso8601_to_datetime( $dateCreated, 'GMT' );
+			$edit_date = true;
 		} else {
 			$post_date     = $postdata['post_date'];
 			$post_date_gmt = $postdata['post_date_gmt'];
+			$edit_date = false;
 		}
 
 		// We've got all the data -- post it:
-		$newpost = compact('ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input', 'page_template');
+		$newpost = compact( 'ID', 'post_content', 'post_title', 'post_category', 'post_status', 'post_excerpt', 'comment_status', 'ping_status', 'post_date', 'post_date_gmt', 'to_ping', 'post_name', 'post_password', 'post_parent', 'menu_order', 'post_author', 'tags_input', 'page_template', 'edit_date' );
 
 		$result = wp_update_post($newpost, true);
 		if ( is_wp_error( $result ) )