diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index b8954509b9..92edeac558 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -57,6 +57,7 @@
 #if QT_CONFIG(sessionmanager)
 #  include "qcocoasessionmanager.h"
 #endif
+#include "qcocoawindowmanager.h"
 
 #include <qpa/qplatforminputcontextfactory_p.h>
 #include <qpa/qplatformaccessibility.h>
@@ -81,6 +82,11 @@ QT_BEGIN_NAMESPACE
 
 Q_LOGGING_CATEGORY(lcQpa, "qt.qpa", QtWarningMsg);
 
+// Lives here so that the linker is forced to include the QCocoaWindowManager
+// object file also in static builds.
+static void initializeWindowManager() { Q_UNUSED(QCocoaWindowManager::instance()); }
+Q_CONSTRUCTOR_FUNCTION(initializeWindowManager)
+
 static void logVersionInformation()
 {
     if (!lcQpa().isInfoEnabled())
diff --git a/src/plugins/platforms/cocoa/qcocoawindowmanager.mm b/src/plugins/platforms/cocoa/qcocoawindowmanager.mm
index bb72fea5e6..71bcecdbc6 100644
--- a/src/plugins/platforms/cocoa/qcocoawindowmanager.mm
+++ b/src/plugins/platforms/cocoa/qcocoawindowmanager.mm
@@ -116,8 +116,5 @@ void QCocoaWindowManager::modalSessionChanged()
     }
 }
 
-static void initializeWindowManager() { Q_UNUSED(QCocoaWindowManager::instance()); }
-Q_CONSTRUCTOR_FUNCTION(initializeWindowManager)
-
 QT_END_NAMESPACE