diff --git a/tests/script/api/makefile_win64.mak b/tests/script/api/makefile_win64.mak
index 9963ef4133..50a2447a06 100644
--- a/tests/script/api/makefile_win64.mak
+++ b/tests/script/api/makefile_win64.mak
@@ -2,7 +2,7 @@
 
 TARGET = passwdTest.exe
 CC = cl
-CFLAGS = /W4 /EHsc /I"C:\TDengine\include" /D_WINDOWS
+CFLAGS = /W4 /EHsc /I"C:\TDengine\include" /DWINDOWS
 LDFLAGS = /link /LIBPATH:"C:\TDengine\driver" taos.lib
 
 SRCS = passwdTest.c