diff --git a/qmake/main.cpp b/qmake/main.cpp
index ad31bef54d4..561f4aaf6a0 100644
--- a/qmake/main.cpp
+++ b/qmake/main.cpp
@@ -99,7 +99,7 @@ int runQMake(int argc, char **argv)
     }
 
     QString oldpwd = qmake_getpwd();
-#ifdef Q_WS_WIN
+#ifdef Q_OS_WIN
     if(!(oldpwd.length() == 3 && oldpwd[0].isLetter() && oldpwd.endsWith(":/")))
 #endif
     {
diff --git a/qmake/qmake_pch.h b/qmake/qmake_pch.h
index 6609a19b2c3..351ef486a02 100644
--- a/qmake/qmake_pch.h
+++ b/qmake/qmake_pch.h
@@ -42,7 +42,7 @@
 #ifndef QMAKE_PCH_H
 #define QMAKE_PCH_H
 #include <qglobal.h>
-#ifdef Q_WS_WIN
+#ifdef Q_OS_WIN
 # define _POSIX_
 # include <limits.h>
 # undef _POSIX_