--- pacman-2.9.6/src/pacman.c.orig	2005-07-08 00:35:57.000000000 +0000
+++ pacman-2.9.6/src/pacman.c	2005-07-08 00:37:34.000000000 +0000
@@ -3374,10 +3374,10 @@
 
 	vprint("Executing %s script...\n", script);
 	if(oldver) {
-		snprintf(cmdline, PATH_MAX, "echo \"umask 0022; source %s %s %s %s\" | /usr/sbin/chroot %s /bin/sh",
+		snprintf(cmdline, PATH_MAX, "echo \"umask 0022; source %s %s %s %s\" | /usr/sbin/chroot %s /bin/bash",
 				scriptpath, script, ver, oldver, pmo_root);
 	} else {
-		snprintf(cmdline, PATH_MAX, "echo \"umask 0022; source %s %s %s\" | /usr/sbin/chroot %s /bin/sh",
+		snprintf(cmdline, PATH_MAX, "echo \"umask 0022; source %s %s %s\" | /usr/sbin/chroot %s /bin/bash",
 				scriptpath, script, ver, pmo_root);
 	}
 	vprint("%s\n", cmdline);