diff --git a/src/helpers/_generateCadesFn.test.ts b/src/helpers/_generateCadesFn.test.ts
index e9dc8c1..e11d8f4 100644
--- a/src/helpers/_generateCadesFn.test.ts
+++ b/src/helpers/_generateCadesFn.test.ts
@@ -15,8 +15,7 @@ describe('_generateCadesFn', () => {
           console.log('hello from named function');
         }),
       ).toEqual(
-        `(function anonymous(
-) {
+        `(function anonymous() {
 
                 console.log('hello from named function');
             
@@ -26,8 +25,7 @@ describe('_generateCadesFn', () => {
 
     test('generates function body from arrow function callback', () => {
       expect(_generateCadesFn(() => console.log('hello from arrow function'))).toEqual(
-        `(function anonymous(
-) {
+        `(function anonymous() {
  return console.log('hello from arrow function'); 
 })();//# sourceURL=crypto-pro_dynamicFn.js`,
       );
@@ -43,8 +41,7 @@ describe('_generateCadesFn', () => {
           void (__cadesAsyncToken__ + cadesBarNoMatterWhat.whateverMethod(cadesFoo));
         }),
       ).toEqual(
-        `(function anonymous(
-) {
+        `(function anonymous() {
 
                 var cadesFoo = cadesplugin.CreateObject('CADESCOM.Foo');
                 var cadesBar = cadesplugin.CreateObject('CAdESCOM.Bar');
@@ -72,8 +69,7 @@ describe('_generateCadesFn', () => {
           void (__cadesAsyncToken__ + cadesBarNoMatterWhat.whateverMethod(cadesFoo));
         }),
       ).toEqual(
-        `cadesplugin.async_spawn(function* anonymous(
-) {
+        `cadesplugin.async_spawn(function* anonymous() {
 
                 var cadesFoo = yield cadesplugin.CreateObjectAsync('CADESCOM.Foo');
                 var cadesBar = yield cadesplugin.CreateObjectAsync('CAdESCOM.Bar');
diff --git a/src/helpers/_generateCadesFn.ts b/src/helpers/_generateCadesFn.ts
index f3a5b49..d398d10 100644
--- a/src/helpers/_generateCadesFn.ts
+++ b/src/helpers/_generateCadesFn.ts
@@ -13,9 +13,14 @@ export const _generateCadesFn = (callback: Function): string => {
   const callbackLiteral = String(callback);
   const callbackArguments = callbackLiteral.match(/^function[\s\w]*?\((.*?)\)/)?.[1] || '';
   const callbackBody = callbackLiteral.replace(/^.*?{([\s\S]*?)}$/, '$1');
-  let crossEnvCallbackLiteral = String(
-    new (cadesGeneratorsAPI ? getGeneratorConstructor() : Function)(callbackArguments, callbackBody),
-  );
+  let crossEnvCallbackLiteral;
+  if (callbackArguments) {
+    crossEnvCallbackLiteral = String(
+      new (cadesGeneratorsAPI ? getGeneratorConstructor() : Function)(callbackArguments, callbackBody),
+    );
+  } else {
+    crossEnvCallbackLiteral = String(new (cadesGeneratorsAPI ? getGeneratorConstructor() : Function)(callbackBody));
+  }
 
   crossEnvCallbackLiteral = crossEnvCallbackLiteral.replace(
     /\w+?\.__createCadesPluginObject__(\([\s\S]*?\))/gm,