diff --git a/fish/functions/fish_prompt.fish b/fish/functions/fish_prompt.fish
index ea144b9..2582688 100644
--- a/fish/functions/fish_prompt.fish
+++ b/fish/functions/fish_prompt.fish
@@ -11,7 +11,7 @@ function fish_prompt --description 'Write out the prompt'
     set branch (string replace -r "^refs/heads/" "" $branch)
     
     if test -z "$branch"
-        set branch (fossil branch current)
+        set branch (fossil branch current 2>/dev/null)
     end
 
     set -l vcs