diff --git a/src/wp-includes/link-template.php b/src/wp-includes/link-template.php
index 5aabffa..1b17329 100644
--- a/src/wp-includes/link-template.php
+++ b/src/wp-includes/link-template.php
@@ -3502,8 +3502,13 @@ function rel_canonical() {
 	$url = get_permalink( $id );
 
 	$page = get_query_var( 'page' );
-	if ( $page ) {
-		$url = trailingslashit( $url ) . user_trailingslashit( $page, 'single_paged' );
+	if ( ( $page ) && ( 1 != $page ) ) {
+		if ( '' == get_option( 'permalink_structure' ) ) {
+			$url = add_query_arg( 'page', $page, $url );
+		}
+		else {
+			$url = trailingslashit( $url ) . user_trailingslashit( $page, 'single_paged' );
+		}
 	}
 
 	$cpage = get_query_var( 'cpage' );