--- files.c.orig
+++ files.c
@@ -93,6 +93,7 @@
 inline int is_url (const char *str)
 {
 	return !strncasecmp (str, "http://", sizeof ("http://") - 1)
+		|| !strncasecmp (str, "https://", sizeof ("https://") - 1)
 		|| !strncasecmp (str, "ftp://", sizeof ("ftp://") - 1);
 }