diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SyntheticAccessorLowering.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SyntheticAccessorLowering.kt
index 1a4f3c1e195..09628cdeae7 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SyntheticAccessorLowering.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SyntheticAccessorLowering.kt
@@ -271,7 +271,7 @@ private class SyntheticAccessorLowering(val context: JvmBackendContext) : IrElem
                 resolvedTargetField.symbol,
                 maybeDispatchReceiver,
                 value,
-                resolvedTargetField.type
+                context.irBuiltIns.unitType
             )
         )
     }