diff --git a/src/app/qtcreator.rc b/src/app/qtcreator.rc
index 9ec34acd659..b23a85f3222 100644
--- a/src/app/qtcreator.rc
+++ b/src/app/qtcreator.rc
@@ -1,8 +1,8 @@
 IDI_ICON1               ICON    DISCARDABLE     "qtcreator.ico"
-IDI_ICON2               ICON    DISCARDABLE     "winicons\\c.ico"
-IDI_ICON3               ICON    DISCARDABLE     "winicons\\cpp.ico"
-IDI_ICON4               ICON    DISCARDABLE     "winicons\\h.ico"
-IDI_ICON5               ICON    DISCARDABLE     "winicons\\ui.ico"
-IDI_ICON6               ICON    DISCARDABLE     "winicons\\pro.ico"
-IDI_ICON7               ICON    DISCARDABLE     "winicons\\pri.ico"
-IDI_ICON8               ICON    DISCARDABLE     "winicons\\qml.ico"
+IDI_ICON2               ICON    DISCARDABLE     "winicons/c.ico"
+IDI_ICON3               ICON    DISCARDABLE     "winicons/cpp.ico"
+IDI_ICON4               ICON    DISCARDABLE     "winicons/h.ico"
+IDI_ICON5               ICON    DISCARDABLE     "winicons/ui.ico"
+IDI_ICON6               ICON    DISCARDABLE     "winicons/pro.ico"
+IDI_ICON7               ICON    DISCARDABLE     "winicons/pri.ico"
+IDI_ICON8               ICON    DISCARDABLE     "winicons/qml.ico"
diff --git a/src/libs/utils/process_ctrlc_stub.qbs b/src/libs/utils/process_ctrlc_stub.qbs
index 5d641710156..e09f5756bef 100644
--- a/src/libs/utils/process_ctrlc_stub.qbs
+++ b/src/libs/utils/process_ctrlc_stub.qbs
@@ -11,7 +11,7 @@ QtcTool {
     files: [ "process_ctrlc_stub.cpp" ]
 
     cpp.dynamicLibraries: [
-        "user32.lib",
-        "shell32.lib"
+        "user32",
+        "shell32"
     ]
 }
diff --git a/src/libs/utils/process_stub.qbs b/src/libs/utils/process_stub.qbs
index e101be7378c..e40ed866759 100644
--- a/src/libs/utils/process_stub.qbs
+++ b/src/libs/utils/process_stub.qbs
@@ -17,7 +17,7 @@ QtcTool {
 
     cpp.dynamicLibraries: {
         if (qbs.targetOS == "windows") {
-            return [ "shell32.lib" ]
+            return [ "shell32" ]
         }
     }
 }
diff --git a/src/libs/zeroconf/embed/CommonServices.h b/src/libs/zeroconf/embed/CommonServices.h
index a1c1f7a11d2..bf878faeee9 100644
--- a/src/libs/zeroconf/embed/CommonServices.h
+++ b/src/libs/zeroconf/embed/CommonServices.h
@@ -245,7 +245,7 @@
 
 	#include	<windows.h>
 	#include	<winsock2.h>
-	#include	<Ws2tcpip.h>
+	#include	<ws2tcpip.h>
 	
 	#if( defined( _MSC_VER ) )
 		#pragma warning( default:4706 )
diff --git a/src/libs/zeroconf/servicebrowser.cpp b/src/libs/zeroconf/servicebrowser.cpp
index 34a71a31e95..2b41a7dd861 100644
--- a/src/libs/zeroconf/servicebrowser.cpp
+++ b/src/libs/zeroconf/servicebrowser.cpp
@@ -36,7 +36,7 @@
 #  ifndef NOMINMAX
 #    define NOMINMAX
 #  endif
-#  include <WinSock2.h>
+#  include <winsock2.h>
 #endif // Q_OS_WIN
 
 #include "mdnsderived.h"
diff --git a/src/libs/zeroconf/syssocket.h b/src/libs/zeroconf/syssocket.h
index fc909199784..f661dfd5bb1 100644
--- a/src/libs/zeroconf/syssocket.h
+++ b/src/libs/zeroconf/syssocket.h
@@ -41,7 +41,7 @@
 #include <qglobal.h>
 
 #ifdef Q_OS_WIN32
-# include <Winsock2.h>
+# include <winsock2.h>
 # ifndef SHUT_RDWR
 #  ifdef SD_BOTH
 #    define SHUT_RDWR SD_BOTH
diff --git a/src/plugins/debugger/registerpostmortemaction.cpp b/src/plugins/debugger/registerpostmortemaction.cpp
index 3ceedaaccc4..1d25c24bba2 100644
--- a/src/plugins/debugger/registerpostmortemaction.cpp
+++ b/src/plugins/debugger/registerpostmortemaction.cpp
@@ -42,9 +42,9 @@
 #include <QDir>
 #include <QString>
 
-#include <Windows.h>
-#include <Objbase.h>
-#include <Shellapi.h>
+#include <windows.h>
+#include <objbase.h>
+#include <shellapi.h>
 
 using namespace RegistryAccess;
 
diff --git a/src/shared/registryaccess/registryaccess.h b/src/shared/registryaccess/registryaccess.h
index 8004005912f..057666e5d18 100644
--- a/src/shared/registryaccess/registryaccess.h
+++ b/src/shared/registryaccess/registryaccess.h
@@ -40,7 +40,7 @@
 #include <QString>
 #include <QLatin1String>
 
-#include <Windows.h>
+#include <windows.h>
 
 namespace RegistryAccess {