diff --git a/ros2/interfaces.bzl b/ros2/interfaces.bzl
index 4d99c125..ca350a2e 100644
--- a/ros2/interfaces.bzl
+++ b/ros2/interfaces.bzl
@@ -178,7 +178,8 @@ def run_generator(
         extra_generator_args = None,
         extra_generated_outputs = None,
         mnemonic = None,
-        progress_message = None):
+        progress_message = None,
+        generator_env = None):
     generator_templates = generator_templates[DefaultInfo].files.to_list()
 
     generator_arguments_file = ctx.actions.declare_file(
diff --git a/ros2/rust_interfaces.bzl b/ros2/rust_interfaces.bzl
index f85d8f6f..3c971b49 100644
--- a/ros2/rust_interfaces.bzl
+++ b/ros2/rust_interfaces.bzl
@@ -155,6 +155,7 @@ def _rust_generator_aspect_impl(target, ctx):
         extra_generated_outputs = extra_generated_outputs,
         mnemonic = "Ros2IdlGeneratorRust",
         progress_message = "Generating Rust IDL interfaces for %{label}",
+        generator_env = {"ROS_DISTRO": "humble"},
     )
 
     # Ideally dep_variant_info could be a depset, and all dep propagation should