diff --git a/src/interfaces/WINX86/Serial/Serial.cpp b/src/interfaces/WINX86/Serial/Serial.cpp
index 47d5d6c04f..a60759f181 100644
--- a/src/interfaces/WINX86/Serial/Serial.cpp
+++ b/src/interfaces/WINX86/Serial/Serial.cpp
@@ -41,7 +41,7 @@ Serial::Serial(
   std::wstring com_name_ws = s2ws(commPortName);
 
   commHandle =
-    CreateFile(
+    CreateFileW(
       com_name_ws.c_str(),
       GENERIC_READ | GENERIC_WRITE,
       0,