diff --git a/home-manager-modules/fish/default.nix b/home-manager-modules/fish/default.nix
index ab6d7be..33b1968 100644
--- a/home-manager-modules/fish/default.nix
+++ b/home-manager-modules/fish/default.nix
@@ -17,6 +17,10 @@ with lib;
 
     programs.fish = {
       enable = true;
+      shellInit = ''
+        [ -n "$EAT_SHELL_INTEGRATION_DIR" ] && \
+          source "$EAT_SHELL_INTEGRATION_DIR/fish"
+      '';
 
       shellAliases = {