1 files changed, 1 insertions, 1 deletions
diff --git a/helm.el b/helm.el
index e64f9bee..6ee4f65a 100644
--- a/helm.el
+++ b/helm.el
@@ -492,7 +492,7 @@ It is disabled by default because *Helm Log* grows quickly.")
           (string-match helm-pattern candidate)))
   "Default functions to match candidates according to `helm-pattern'.")
 (defvar helm-process-delayed-sources-timer nil)
-(defvar helm-update-blacklist-regexps '("^" "$" "!" " "))
+(defvar helm-update-blacklist-regexps '("^" "$" "!" " " "\\b" "\\<" "\\<_"))
 
 
 ;; Utility: logging