diff --git a/users/simon/modules/git.nix b/users/simon/modules/git.nix
index 0e757e2..09c08c6 100644
--- a/users/simon/modules/git.nix
+++ b/users/simon/modules/git.nix
@@ -54,31 +54,35 @@
     };
   };
 
-  programs.zsh.shellAliases = {
-    ga = "git add";
-    gap = "git add --patch";
-    gc = "git commit";
-    gco = "git checkout";
-    gcp = "git cherry-pick";
-    gcv = "git commit --verbose";
-    gd = "git diff";
-    gdc = "git diff --cached";
-    gfom = "git fetch origin master";
-    gl = "git log";
-    glp = "git log --patch";
-    gls = "git log --stat";
-    gp = "git push";
-    grb = "git rebase";
-    grbi = "git rebase -i";
-    grbias = "git rebase -i --autosquash";
-    grbim = "git rebase -i master";
-    grbm = "git rebase master";
-    grbom = "git rebase origin/master";
-    grs = "git restore";
-    grss = "git restore --staged";
-    gs = "git switch";
-    gsc = "git switch -c";
-    gsm = "git switch master";
-    gst = "git status";
-  };
+  programs.zsh.shellAliases =
+    let
+      defaultBranch = "\${\${\$(git symbolic-ref refs/remotes/origin/HEAD 2>/dev/null)##refs/remotes/origin/}:-master}";
+    in
+    {
+      ga = "git add";
+      gap = "git add --patch";
+      gc = "git commit";
+      gco = "git checkout";
+      gcp = "git cherry-pick";
+      gcv = "git commit --verbose";
+      gd = "git diff";
+      gdc = "git diff --cached";
+      gfom = "git fetch origin ${defaultBranch}";
+      gl = "git log";
+      glp = "git log --patch";
+      gls = "git log --stat";
+      gp = "git push";
+      grb = "git rebase";
+      grbi = "git rebase -i";
+      grbias = "git rebase -i --autosquash";
+      grbim = "git rebase -i ${defaultBranch}";
+      grbm = "git rebase ${defaultBranch}";
+      grbom = "git rebase origin/${defaultBranch}";
+      grs = "git restore";
+      grss = "git restore --staged";
+      gs = "git switch";
+      gsc = "git switch -c";
+      gsm = "git switch ${defaultBranch}";
+      gst = "git status";
+    };
 }