diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/EnumClassLowering.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/EnumClassLowering.kt
index d5909f4e0e6..46d274b185b 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/EnumClassLowering.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/EnumClassLowering.kt
@@ -174,10 +174,9 @@ private fun JsCommonBackendContext.fixReferencesToConstructorParameters(irClass:
 
         override fun visitSetValue(expression: IrSetValue): IrExpression {
             expression.transformChildrenVoid()
-            mapping.enumConstructorOldToNewValueParameters[expression.symbol.owner]?.let {
-                return builder.irSet(it.symbol, expression.value)
-            }
-            return super.visitSetValue(expression)
+            return mapping.enumConstructorOldToNewValueParameters[expression.symbol.owner]?.let {
+                builder.irSet(it.symbol, expression.value)
+            } ?: expression
         }
     })
 }