diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/IrTypeMapper.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/IrTypeMapper.kt
index e06e23a6a80..ade20ad096e 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/IrTypeMapper.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/IrTypeMapper.kt
@@ -270,6 +270,6 @@ private class IrTypeCheckerContextForTypeMapping(
     }
 
     override fun functionNTypeConstructor(n: Int): IrClassSymbol {
-        return backendContext.referenceClass(backendContext.builtIns.getFunction(n))
+        return backendContext.irBuiltIns.functionN(n).symbol
     }
 }