diff --git a/lib/rex/ui/text/dispatcher_shell.rb b/lib/rex/ui/text/dispatcher_shell.rb
index a2819d0dc0..66f73923cc 100644
--- a/lib/rex/ui/text/dispatcher_shell.rb
+++ b/lib/rex/ui/text/dispatcher_shell.rb
@@ -359,7 +359,7 @@ module DispatcherShell
   #
   def tab_complete(str)
     # Check trailing whitespace so we can tell 'x' from 'x '
-    str_match = str.match(/\s+$/)
+    str_match = str.match(/[^\\]([\\]{2})*\s+$/)
     str_trail = (str_match.nil?) ? '' : str_match[0]
 
     # Split the line up by whitespace into words