diff --git a/.gitignore b/.gitignore
index b089446..f690636 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,4 @@
 
 nixos/modules/nextcloud/nextcloud-admin-pass
+.BAK/
+*.bak
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
index 162d4df..d4c1cf4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -21,6 +21,7 @@
         home-manager
         nh
         git
+        fish
         bats # for bash testing
         ;
     };