diff -ruw src.orig/libbb/lineedit.c src/libbb/lineedit.c
--- src.orig/libbb/lineedit.c	2010-02-21 17:18:54.000000000 +0100
+++ src/libbb/lineedit.c	2010-02-21 17:22:24.000000000 +0100
@@ -1561,6 +1561,9 @@
					pbuf = free_me = safe_gethostname();
					*strchrnul(pbuf, '.') = '\0';
					break;
+				case 'H':
+					pbuf = free_me = safe_gethostname();
+					break;
				case '$':
					c = (geteuid() == 0 ? '#' : '$');
					break;