diff --git a/darwin/homebrew.nix b/darwin/homebrew.nix
index f3a2c28..fbc6f11 100644
--- a/darwin/homebrew.nix
+++ b/darwin/homebrew.nix
@@ -4,7 +4,7 @@ let
   caskPresent = cask: lib.any (x: x.name == cask) config.homebrew.casks;
 in {
   environment.shellInit = ''
-    eval "$(${config.homebrew.brewPrefix}/brew shellenv)"
+    eval "$(${config.homebrew.brewPrefix}/brew shellenv fish)"
   '';
 
   # https://docs.brew.sh/Shell-Completion#configuring-completions-in-fish