diff --git a/rostests/winetests/kernel32/interlck.c b/rostests/winetests/kernel32/interlck.c
index e67fb5fc20a..2bb9d25e769 100644
--- a/rostests/winetests/kernel32/interlck.c
+++ b/rostests/winetests/kernel32/interlck.c
@@ -20,6 +20,7 @@
 
 #include <stdarg.h>
 
+#undef __ROS_LONG64__
 #include "wine/test.h"
 #include "windef.h"
 #include "winbase.h"
diff --git a/rostests/winetests/setupapi/devclass.c b/rostests/winetests/setupapi/devclass.c
index f95944a2078..b525c980b57 100644
--- a/rostests/winetests/setupapi/devclass.c
+++ b/rostests/winetests/setupapi/devclass.c
@@ -22,6 +22,7 @@
 #include <stdarg.h>
 #include <stdio.h>
 
+#undef __ROS_LONG64__
 #include "windef.h"
 #include "winbase.h"
 #include "wingdi.h"