diff --git a/packages/anastasis-core/src/cli-entry.ts b/packages/anastasis-core/src/cli-entry.ts
new file mode 100644
index 000000000..151b47f2b
--- /dev/null
+++ b/packages/anastasis-core/src/cli-entry.ts
@@ -0,0 +1,15 @@
+import { reducerCliMain } from "./cli.js";
+
+async function r() {
+  try {
+    // @ts-ignore
+    (await import("source-map-support")).install();
+  } catch (e) {
+    console.warn("can't load souremaps, please install source-map-support");
+    // Do nothing.
+  }
+
+  reducerCliMain();
+}
+
+r();