diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ExportedDefaultParameterStub.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ExportedDefaultParameterStub.kt
index a991bb954ee..05f73e148b2 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ExportedDefaultParameterStub.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ExportedDefaultParameterStub.kt
@@ -107,9 +107,9 @@ class ExportedDefaultParameterStub(val context: JsIrBackendContext) : Declaratio
 
         context.additionalExportedDeclarations.add(exportedDefaultStubFun)
 
-        exportedDefaultStubFun.returnType = declaration.returnType.remapTypeParameters(declaration, exportedDefaultStubFun)
         exportedDefaultStubFun.parent = declaration.parent
         exportedDefaultStubFun.copyParameterDeclarationsFrom(declaration)
+        exportedDefaultStubFun.returnType = declaration.returnType.remapTypeParameters(declaration, exportedDefaultStubFun)
         exportedDefaultStubFun.valueParameters.forEach { it.defaultValue = null }
 
         declaration.origin = JsLoweredDeclarationOrigin.JS_SHADOWED_EXPORT