--- frontend/scanimage.c.orig	2020-08-23 13:59:21.000000000 +0200
+++ frontend/scanimage.c	2020-10-24 23:52:03.000000000 +0200
@@ -39,6 +39,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <stdarg.h>
+#include <libgen.h>
 
 #include <sys/types.h>
 #include <sys/stat.h>