diff --git a/bash.install b/bash.install
index 389b402..ca9e8d1 100644
--- a/bash.install
+++ b/bash.install
@@ -1,5 +1,6 @@
 post_upgrade() {
 	grep -qe '^/bin/rbash$' etc/shells || echo '/bin/rbash' >> etc/shells
+	grep -qe '^/usr/bin/bash$' etc/shells || echo '/usr/bin/rbash' >> etc/shells
 	grep -qe '^/usr/bin/rbash$' etc/shells || echo '/usr/bin/rbash' >> etc/shells
 }