diff --git a/flake.nix b/flake.nix
index 17e6615..d280573 100644
--- a/flake.nix
+++ b/flake.nix
@@ -127,10 +127,7 @@
                 ];
                 programs.zsh = {
                   enable = true;
-                  shellAliases = {
-                    g = "${pkgs.git}/bin/git";
-                  };
-                };
+                } // (import ./home/shellcommon.nix);
                 home.stateVersion = "21.11";
               };
             }
diff --git a/home.nix b/home.nix
index f54d719..4ee6557 100644
--- a/home.nix
+++ b/home.nix
@@ -50,16 +50,6 @@ rec {
     };
     bash = {
       enable = true;
-      shellAliases = {
-        g = "${pkgs.git}/bin/git";
-        t = "${pkgs.tig}/bin/tig";
-        l = "${pkgs.exa}/bin/exa";
-        ll = "${pkgs.exa}/bin/exa -l";
-        ls = "l";
-        pux = "sh -c \"tmux -S $(pwd).tmux attach\"";
-        pux-iterm = "sh -c \"tmux -S $(pwd).tmux -CC attach\"";
-      };
-      sessionVariables = { };
       # XXX: These are needed only on non-NixOS Linux (on NixOS, they are broken)
       #bashrcExtra = ''
       #  . ~/.nix-profile/etc/profile.d/nix.sh
@@ -70,7 +60,7 @@ rec {
       #    source "$completion_script"
       #  done
       #'';
-    };
+    } // (import ./home/shellcommon.nix);
 
     direnv = {
       enable = true;
diff --git a/home/shellcommon.nix b/home/shellcommon.nix
new file mode 100644
index 0000000..65d2340
--- /dev/null
+++ b/home/shellcommon.nix
@@ -0,0 +1,12 @@
+{
+  shellAliases = {
+    g = "${pkgs.git}/bin/git";
+    t = "${pkgs.tig}/bin/tig";
+    l = "${pkgs.exa}/bin/exa";
+    ll = "${pkgs.exa}/bin/exa -l";
+    ls = "l";
+    pux = "sh -c \"tmux -S $(pwd).tmux attach\"";
+    pux-iterm = "sh -c \"tmux -S $(pwd).tmux -CC attach\"";
+  };
+  sessionVariables = { };
+}