diff --git a/nixos/modules/programs/fish.nix b/nixos/modules/programs/fish.nix
index 799c5194d575..903752bc9a54 100644
--- a/nixos/modules/programs/fish.nix
+++ b/nixos/modules/programs/fish.nix
@@ -12,7 +12,7 @@ let
   cfg = config.programs.fish;
 
   fishAbbrs = lib.concatStringsSep "\n" (
-    lib.mapAttrsToList (k: v: "abbr -ag ${k} ${lib.escapeShellArg v}") cfg.shellAbbrs
+    lib.mapAttrsToList (k: v: "abbr -a ${k} -- ${lib.escapeShellArg v}") cfg.shellAbbrs
   );
 
   fishAliases = lib.concatStringsSep "\n" (