diff --git a/nix/modules/home-manager/cli/zsh.nix b/nix/modules/home-manager/cli/zsh.nix
index 8cf21e4a..fe48e0f4 100644
--- a/nix/modules/home-manager/cli/zsh.nix
+++ b/nix/modules/home-manager/cli/zsh.nix
@@ -68,6 +68,10 @@
         esac
       }
 
+      mbsync() {
+        ${pkgs.isync}/bin/mbsync --config "${config.xdg.configHome}/isync/mbsyncrc" "''${@}"
+      }
+
       ttyper() {
         command ${pkgs.ttyper}/bin/ttyper --language english1000 --words 50 "''${@}"
       }