diff --git a/git/default.nix b/git/default.nix
index 9491095..5248c25 100644
--- a/git/default.nix
+++ b/git/default.nix
@@ -4,6 +4,10 @@
   programs = {
     less.enable = true;
     git-credential-oauth.enable = true;
+    git-worktree-switcher = {
+      enable = true;
+      enableZshIntegration = true;
+    };
 
     git = {
       enable = true;
diff --git a/horsch/github.nix b/horsch/github.nix
index 1bb5783..92c4697 100644
--- a/horsch/github.nix
+++ b/horsch/github.nix
@@ -23,6 +23,12 @@
       enable = true;
 
       settings = {
+        defaults = {
+          preview = {
+            open = true;
+            width = 64;
+          };
+        };
       };
     };
   };