--- /etc/bash/bashrc    2011-07-13 10:50:04.911785374 +0000
+++ /etc/bash/bashrc.orig       2011-07-13 10:49:54.528796890 +0000
@@ -40,7 +40,7 @@
 # instead of using /etc/DIR_COLORS.  Try to use the external file
 # first to take advantage of user additions.  Use internal bash
 # globbing instead of external grep binary.
-safe_term=${TERM//[^[:alnum:]]*/}   # sanitize TERM
+safe_term=${TERM//[^[:alnum:]]/?}   # sanitize TERM
 match_lhs=""
 [[ -f ~/.dir_colors   ]] && match_lhs="${match_lhs}$(<~/.dir_colors)"
 [[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(</etc/DIR_COLORS)"