diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 234092c7e..60559e0d1 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -2786,8 +2786,8 @@ bool GUI_App::on_init_inner()
         if (fnIsWow64Process2) {
             USHORT processMachine = 0;
             USHORT nativeMachine = 0;
-            if (IsWow64Process2(GetCurrentProcess(), &processMachine, &nativeMachine)) {
-                if (nativeMachine == IMAGE_FILE_MACHINE_ARM64) {
+            if (fnIsWow64Process2(GetCurrentProcess(), &processMachine, &nativeMachine)) {
+                if (nativeMachine == IMAGE_FILE_MACHINE_ARM64) {//IMAGE_FILE_MACHINE_ARM64
                     m_is_arm64 = true;
                 }
                 BOOST_LOG_TRIVIAL(info) << boost::format("processMachine architecture %1%, nativeMachine %2% m_is_arm64 %3%")%(int)(processMachine) %(int) nativeMachine %m_is_arm64;