--- auth-dialog/main.c	2022-10-13 17:59:41.583542162 +1100
+++ auth-dialog/main.c	2022-10-13 17:59:58.243458568 +1100
@@ -716,10 +716,12 @@
 	}
 	free(cookie_array);
 
-	for (i = 0; i < 2 * (num_headers + 1); i++) {
-		free(headers_array[i]);
+	if (headers_array) {
+		for (i = 0; i < 2 * (num_headers + 1); i++) {
+			free(headers_array[i]);
+		}
+		free(headers_array);
 	}
-	free(headers_array);
 	if (headers)
 		soup_message_headers_free (headers);