diff --git a/envsetup.sh b/envsetup.sh
index e919891..7ea0a63 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -329,6 +329,8 @@
             . $f
         done
     fi
+
+    complete -C "bit --tab" bit
 }
 
 function choosetype()