diff --git a/backend/ts/src/main/scala/aqua/backend/Header.scala b/backend/ts/src/main/scala/aqua/backend/Header.scala
index 0014f211..4273c737 100644
--- a/backend/ts/src/main/scala/aqua/backend/Header.scala
+++ b/backend/ts/src/main/scala/aqua/backend/Header.scala
@@ -3,6 +3,7 @@ package aqua.backend
 object Header {
 
   def header(isJs: Boolean, isCommonJS: Boolean): String = {
+    val callParams = if (isJs) "" else "CallParams,"
     val imports = if (isCommonJS) {
       """const { Fluence, FluencePeer } = require('@fluencelabs/fluence');
         |const {
@@ -13,7 +14,7 @@ object Header {
     } else {
       s"""import { Fluence, FluencePeer } from '@fluencelabs/fluence';
          |import {
-         |    CallParams,
+         |    $callParams
          |    callFunction,
          |    registerService,
          |} from '@fluencelabs/fluence/dist/internal/compilerSupport/v3${if (isJs) ".js"
diff --git a/backend/ts/src/main/scala/aqua/backend/OutputFile.scala b/backend/ts/src/main/scala/aqua/backend/OutputFile.scala
index d524eec9..0a1d13d3 100644
--- a/backend/ts/src/main/scala/aqua/backend/OutputFile.scala
+++ b/backend/ts/src/main/scala/aqua/backend/OutputFile.scala
@@ -6,7 +6,7 @@ import aqua.res.AquaRes
 
 case class OutputFile(res: AquaRes) {
 
-  def generate(types: Types, isCommonJS: Boolean): String = {
+  def generate(types: Types, isJs: Boolean, isCommonJS: Boolean): String = {
     import types.*
     val services = res.services
       .map(s => OutputService(s, types))
@@ -15,7 +15,7 @@ case class OutputFile(res: AquaRes) {
       .mkString("\n\n")
     val functions =
       res.funcs.map(f => OutputFunc(f, types)).map(_.generate).toList.mkString("\n\n")
-    s"""${Header.header(false, isCommonJS)}
+    s"""${Header.header(isJs, isCommonJS)}
        |
        |// Services
        |$services
diff --git a/backend/ts/src/main/scala/aqua/backend/js/JavaScriptBackend.scala b/backend/ts/src/main/scala/aqua/backend/js/JavaScriptBackend.scala
index 2ca996d5..12c0baaa 100644
--- a/backend/ts/src/main/scala/aqua/backend/js/JavaScriptBackend.scala
+++ b/backend/ts/src/main/scala/aqua/backend/js/JavaScriptBackend.scala
@@ -18,7 +18,7 @@ case class JavaScriptBackend(isCommonJS: Boolean) extends Backend {
     val functions =
       res.funcs.map(f => TypeScriptTypes.funcType(f)).map(_.generate).toList.mkString("\n")
 
-    val body = s"""${Header.header(false, false)}
+    val body = s"""${Header.header(true, false)}
        |
        |// Services
        |$services
@@ -33,6 +33,6 @@ case class JavaScriptBackend(isCommonJS: Boolean) extends Backend {
   override def generate(res: AquaRes): Seq[Generated] =
     if (res.isEmpty) Nil
     else {
-      Generated(ext, OutputFile(res).generate(EmptyTypes, isCommonJS)):: typesFile(res) :: Nil
+      Generated(ext, OutputFile(res).generate(EmptyTypes, true, isCommonJS)):: typesFile(res) :: Nil
     }
 }
diff --git a/backend/ts/src/main/scala/aqua/backend/ts/TypeScriptBackend.scala b/backend/ts/src/main/scala/aqua/backend/ts/TypeScriptBackend.scala
index 2431340b..ee261264 100644
--- a/backend/ts/src/main/scala/aqua/backend/ts/TypeScriptBackend.scala
+++ b/backend/ts/src/main/scala/aqua/backend/ts/TypeScriptBackend.scala
@@ -9,5 +9,5 @@ object TypeScriptBackend extends Backend {
   val ext = ".ts"
 
   override def generate(res: AquaRes): Seq[Generated] =
-    if (res.isEmpty) Nil else Generated(ext, OutputFile(res).generate(TypeScriptTypes, false)) :: Nil
+    if (res.isEmpty) Nil else Generated(ext, OutputFile(res).generate(TypeScriptTypes, false, false)) :: Nil
 }