--- progress.c.orig	Sun Oct  4 00:40:24 2015
+++ progress.c	Sun Oct  4 00:41:58 2015
@@ -75,7 +75,11 @@
 static int is_foreground_fd(int fd)
 {
 	int tpgrp = tcgetpgrp(fd);
+#if defined(__minix)
+	return tpgrp < 0 || tpgrp == getpid();
+#else
 	return tpgrp < 0 || tpgrp == getpgid(0);
+#endif /* defined(__minix) */
 }
 
 static int display(struct progress *progress, unsigned n, const char *done)