diff --git a/src/network/CMakeLists.txt b/src/network/CMakeLists.txt
index 20a8280c6dd..2c59f18d81a 100644
--- a/src/network/CMakeLists.txt
+++ b/src/network/CMakeLists.txt
@@ -367,6 +367,25 @@ qt_internal_extend_target(Network CONDITION QNX PUBLIC_LIBRARIES socket) # speci
 
 qt_internal_extend_target(Network CONDITION SOLARIS PUBLIC_LIBRARIES socket nsl) # special case
 
+if (WIN32)
+    set_source_files_properties(Network # include windows.h (causing clashes with "interface" define)
+                                kernel/qauthenticator.cpp
+                                kernel/qdnslookup_win.cpp
+                                kernel/qhostaddress.cpp
+                                kernel/qhostinfo.cpp
+                                kernel/qhostinfo_win.cpp
+                                kernel/qnetconmonitor_win.cpp
+                                kernel/qnetworkinterface_win.cpp
+                                kernel/qnetworkproxy_win.cpp
+                                socket/qabstractsocket.cpp
+                                socket/qlocalserver.cpp
+                                socket/qlocalserver_win.cpp
+                                socket/qlocalsocket_win.cpp
+                                socket/qnativesocketengine.cpp
+                                socket/qnativesocketengine_win.cpp
+                                PROPERTIES SKIP_UNITY_BUILD_INCLUSION ON)
+endif()
+
 # include the snippet projects for developer-builds
 if(QT_FEATURE_private_tests)
     add_subdirectory(doc/snippets/network)