diff --git a/lib/git/git_is_repo.fish b/lib/git/git_is_repo.fish
index f72986a..4ce2ff9 100644
--- a/lib/git/git_is_repo.fish
+++ b/lib/git/git_is_repo.fish
@@ -1,3 +1,7 @@
 function git_is_repo -d "Check if directory is a repository"
-  test -d .git; or command git rev-parse --git-dir >/dev/null 2> /dev/null
+  test -d .git
+  or begin
+    set -l info (command git rev-parse --git-dir --is-bare-repository 2>/dev/null)
+    and test $info[2] = false
+  end
 end