diff --git a/homes/x86_64-linux/minion@greylag/default.nix b/homes/x86_64-linux/minion@greylag/default.nix
index 54168a7..9a53e04 100644
--- a/homes/x86_64-linux/minion@greylag/default.nix
+++ b/homes/x86_64-linux/minion@greylag/default.nix
@@ -73,6 +73,7 @@
     theme.font.nerdFontGlyphs.enable = true;
 
     editor.ed.enable = true;
+    editor.ed.prompt = ":";
     editor.neovim.enable = true;
     editor.emacs.enable = true;
     editor.neovim.defaultEditor = false;
diff --git a/modules/home/editor/ed/default.nix b/modules/home/editor/ed/default.nix
index 80e4ac6..e7b2b3c 100644
--- a/modules/home/editor/ed/default.nix
+++ b/modules/home/editor/ed/default.nix
@@ -12,13 +12,19 @@
       description = "Use Ed as the default editor";
       default = true;
     };
+    prompt = lib.mkOption {
+      type = lib.types.nullOr lib.types.str;
+      description = "What prompt should show up in command mode?";
+      default = null;
+      example = ":";
+    };
   };
 
   config = lib.mkIf config.chimera.editor.ed.enable {
     home.packages = [ pkgs.ed ];
 
     home.sessionVariables = lib.mkIf config.chimera.editor.ed.defaultEditor {
-      EDITOR = "${pkgs.ed}/bin/ed";
+      EDITOR = "${pkgs.ed}/bin/ed${if config.chimera.editor.ed.prompt != null then " -p '${config.chimera.editor.ed.prompt}'" else ""}";
     };
   };
 }