diff --git a/lua/gitsigns/git.lua b/lua/gitsigns/git.lua
index c6e54815..dc85b463 100644
--- a/lua/gitsigns/git.lua
+++ b/lua/gitsigns/git.lua
@@ -240,7 +240,7 @@ M.get_repo_info = function(path, cmd)
 
    local toplevel = results[1]
    local gitdir = results[2]
-   if not has_abs_gd then
+   if gitdir and not has_abs_gd then
       gitdir = uv.fs_realpath(gitdir)
    end
    local abbrev_head = process_abbrev_head(gitdir, results[3], path, cmd)
diff --git a/teal/gitsigns/git.tl b/teal/gitsigns/git.tl
index 2d491586..4b4e9d9d 100644
--- a/teal/gitsigns/git.tl
+++ b/teal/gitsigns/git.tl
@@ -240,7 +240,7 @@ M.get_repo_info = function(path: string, cmd: string): string,string,string
 
   local toplevel = results[1]
   local gitdir = results[2]
-  if not has_abs_gd then
+  if gitdir and not has_abs_gd then
     gitdir = uv.fs_realpath(gitdir)
   end
   local abbrev_head = process_abbrev_head(gitdir, results[3], path, cmd)