diff --git a/nixos/environment.nix b/nixos/environment.nix
index 6c2c6a28..a479b703 100644
--- a/nixos/environment.nix
+++ b/nixos/environment.nix
@@ -33,6 +33,16 @@ with lib;
         eval "$(register-python-argcomplete prb)"
         eval "$(register-python-argcomplete prod-prb)"
         eval "$(register-python-argcomplete railbird)"
+        [ -n "$EAT_SHELL_INTEGRATION_DIR" ] && source "$EAT_SHELL_INTEGRATION_DIR/zsh"
+      '';
+    };
+
+    programs.bash = {
+      interactiveShellInit = ''
+        eval "$(register-python-argcomplete prb)"
+        eval "$(register-python-argcomplete prod-prb)"
+        eval "$(register-python-argcomplete railbird)"
+        [ -n "$EAT_SHELL_INTEGRATION_DIR" ] && source "$EAT_SHELL_INTEGRATION_DIR/bash"
       '';
     };