diff --git a/packages/@tests/aqua/src/index.ts b/packages/@tests/aqua/src/index.ts
index e3248aec..3cecd6ba 100644
--- a/packages/@tests/aqua/src/index.ts
+++ b/packages/@tests/aqua/src/index.ts
@@ -17,7 +17,7 @@
 import { Fluence, type ClientConfig } from "@fluencelabs/js-client";
 import { fromByteArray } from "base64-js";
 
-// import { test as particleTest } from "./_aqua/finalize_particle.js";
+import { test as particleTest } from "./_aqua/finalize_particle.js";
 import {
   registerHelloWorld,
   helloTest,
@@ -94,8 +94,7 @@ export const runTest = async (): Promise<TestResult> => {
 
     console.log("running particle test...");
 
-    // TODO: Currently this behavior will timeout after TTL bcs this function don't call 'responseSrc'. Will be attended in the next updates
-    //await particleTest();
+    await particleTest();
 
     const returnVal = {
       hello,
diff --git a/packages/core/js-client/src/compilerSupport/callFunction.ts b/packages/core/js-client/src/compilerSupport/callFunction.ts
index 357404d9..dcc164ce 100644
--- a/packages/core/js-client/src/compilerSupport/callFunction.ts
+++ b/packages/core/js-client/src/compilerSupport/callFunction.ts
@@ -50,6 +50,7 @@ export type CallAquaFunctionArgs = {
   config: CallAquaFunctionConfig | undefined;
   peer: FluencePeer;
   args: { [key: string]: JSONValue | ArgCallbackFunction };
+  fireAndForget?: boolean;
 };
 
 export type CallAquaFunctionConfig = {
@@ -61,6 +62,8 @@ export const callAquaFunction = async ({
   config = {},
   peer,
   args,
+  // TODO: remove after LNG-286 is done
+  fireAndForget = false,
 }: CallAquaFunctionArgs) => {
   log.trace("calling aqua function %j", { script, config, args });
 
@@ -88,7 +91,9 @@ export const callAquaFunction = async ({
       registerParticleScopeService(peer, particle, service);
     }
 
-    registerParticleScopeService(peer, particle, responseService(resolve));
+    if (fireAndForget) {
+      registerParticleScopeService(peer, particle, responseService(resolve));
+    }
 
     registerParticleScopeService(peer, particle, injectRelayService(peer));
 
diff --git a/packages/core/js-client/src/jsPeer/FluencePeer.ts b/packages/core/js-client/src/jsPeer/FluencePeer.ts
index bcd4329f..4b646c9a 100644
--- a/packages/core/js-client/src/jsPeer/FluencePeer.ts
+++ b/packages/core/js-client/src/jsPeer/FluencePeer.ts
@@ -615,6 +615,20 @@ export abstract class FluencePeer {
                       });
                     });
                 }
+              } else {
+                // TODO: remove after LNG-286 is done
+                // eslint-disable-next-line eqeqeq
+                if (
+                  this.jsServiceHost.getHandler(
+                    "callbackSrv",
+                    "response",
+                    item.particle.id,
+                  ) == null &&
+                  item.result.nextPeerPks.length == 0
+                ) {
+                  // try to finish script
+                  item.onSuccess({});
+                }
               }
 
               return connectionPromise;