diff --git a/lib/bus.js b/lib/bus.js
index e0bf43c1..4a2734bf 100644
--- a/lib/bus.js
+++ b/lib/bus.js
@@ -25,7 +25,7 @@ const prepare = (unit, application) => {
     }
     const body = metarhia.metautil.serializeArguments(unit.method.body, args);
     const url = target.join('/');
-    const options = { method: verb.toUpperCase(), body };
+    const options = { method: verb.toUpperCase(), headers: unit.headers, body };
     const result = await metarhia.metautil.httpApiCall(url, options);
     if (returns) {
       const { valid, errors } = returns.check(result);