diff --git a/main.cpp b/main.cpp
index d28ecba..2dd9531 100644
--- a/main.cpp
+++ b/main.cpp
@@ -54,8 +54,8 @@
 LpcDataHandler lpcDataHandler(
     LpcMapperAspeed::createAspeedMapper(MAPPED_ADDRESS, memoryRegionSize));
 #elif defined(NUVOTON_LPC)
-LpcDataHandler
-    lpcDataHandler(LpcMapperNuvoton::createNuvotonMapper(MAPPED_ADDRESS));
+LpcDataHandler lpcDataHandler(
+    LpcMapperNuvoton::createNuvotonMapper(MAPPED_ADDRESS, memoryRegionSize));
 #else
 #error "You must specify a hardware implementation."
 #endif