diff --git a/src/corelib/tools/qcollator_mac.cpp b/src/corelib/tools/qcollator_macx.cpp
similarity index 100%
rename from src/corelib/tools/qcollator_mac.cpp
rename to src/corelib/tools/qcollator_macx.cpp
diff --git a/src/corelib/tools/qcollator_p.h b/src/corelib/tools/qcollator_p.h
index 7c5f18c5b2..50e1a01f82 100644
--- a/src/corelib/tools/qcollator_p.h
+++ b/src/corelib/tools/qcollator_p.h
@@ -47,7 +47,7 @@
 #include <QVector>
 #ifdef QT_USE_ICU
 #include <unicode/ucol.h>
-#elif defined(Q_OS_DARWIN)
+#elif defined(Q_OS_OSX)
 #include <CoreServices/CoreServices.h>
 #endif
 
@@ -57,7 +57,7 @@ QT_BEGIN_NAMESPACE
 typedef UCollator *CollatorType;
 typedef QByteArray CollatorKeyType;
 
-#elif defined(Q_OS_DARWIN)
+#elif defined(Q_OS_OSX)
 typedef QVector<UCCollationValue> CollatorKeyType;
 
 struct CollatorType {
diff --git a/src/corelib/tools/tools.pri b/src/corelib/tools/tools.pri
index 01f16dc2ad..318f84d78e 100644
--- a/src/corelib/tools/tools.pri
+++ b/src/corelib/tools/tools.pri
@@ -150,8 +150,8 @@ contains(QT_CONFIG,icu) {
     }
 } else: win32 {
     SOURCES += tools/qcollator_win.cpp
-} else: mac {
-    SOURCES += tools/qcollator_mac.cpp
+} else: macx {
+    SOURCES += tools/qcollator_macx.cpp
 } else {
     SOURCES += tools/qcollator_posix.cpp
 }