diff --git a/mkspecs/winphone-x86-msvc2012/qmake.conf b/mkspecs/winphone-x86-msvc2012/qmake.conf
index 13293709000..4b8a92ea3b2 100644
--- a/mkspecs/winphone-x86-msvc2012/qmake.conf
+++ b/mkspecs/winphone-x86-msvc2012/qmake.conf
@@ -13,7 +13,7 @@ QMAKE_LFLAGS           += /MACHINE:X86
 
 QMAKE_LIBS             += WindowsPhoneCore.lib PhoneAppModelHost.lib ws2_32.lib
 
-VCPROJ_ARCH             = x86
+VCPROJ_ARCH             = Win32
 MSVC_VER                = 11.0
 WINSDK_VER              = 8.0
 WINTARGET_VER           = WP80
diff --git a/mkspecs/winrt-arm-msvc2012/qmake.conf b/mkspecs/winrt-arm-msvc2012/qmake.conf
index 41594a3547f..b2603cfb2f0 100644
--- a/mkspecs/winrt-arm-msvc2012/qmake.conf
+++ b/mkspecs/winrt-arm-msvc2012/qmake.conf
@@ -17,3 +17,4 @@ MSVC_VER                = 11.0
 WINSDK_VER              = 8.0
 WINTARGET_VER           = win8
 WINRT_MANIFEST          = $$PWD/../common/winrt_winphone/manifests/8.0/AppxManifest.xml.in
+WINRT_MANIFEST.architecture = arm
diff --git a/mkspecs/winrt-arm-msvc2013/qmake.conf b/mkspecs/winrt-arm-msvc2013/qmake.conf
index 83ab228d7fd..d1ab60723da 100644
--- a/mkspecs/winrt-arm-msvc2013/qmake.conf
+++ b/mkspecs/winrt-arm-msvc2013/qmake.conf
@@ -19,3 +19,4 @@ MSVC_VER                = 12.0
 WINSDK_VER              = 8.1
 WINTARGET_VER           = winv6.3
 WINRT_MANIFEST          = $$PWD/../common/winrt_winphone/manifests/8.1/AppxManifest.xml.in
+WINRT_MANIFEST.architecture = arm
diff --git a/mkspecs/winrt-x64-msvc2012/qmake.conf b/mkspecs/winrt-x64-msvc2012/qmake.conf
index f6e360ae125..a0c64c695ff 100644
--- a/mkspecs/winrt-x64-msvc2012/qmake.conf
+++ b/mkspecs/winrt-x64-msvc2012/qmake.conf
@@ -17,3 +17,4 @@ MSVC_VER                = 11.0
 WINSDK_VER              = 8.0
 WINTARGET_VER           = win8
 WINRT_MANIFEST          = $$PWD/../common/winrt_winphone/manifests/8.0/AppxManifest.xml.in
+WINRT_MANIFEST.architecture = x64
diff --git a/mkspecs/winrt-x64-msvc2013/qmake.conf b/mkspecs/winrt-x64-msvc2013/qmake.conf
index 2c01450ed46..594d0dafd0a 100644
--- a/mkspecs/winrt-x64-msvc2013/qmake.conf
+++ b/mkspecs/winrt-x64-msvc2013/qmake.conf
@@ -19,3 +19,4 @@ MSVC_VER                = 12.0
 WINSDK_VER              = 8.1
 WINTARGET_VER           = winv6.3
 WINRT_MANIFEST          = $$PWD/../common/winrt_winphone/manifests/8.1/AppxManifest.xml.in
+WINRT_MANIFEST.architecture = x64
diff --git a/mkspecs/winrt-x86-msvc2012/qmake.conf b/mkspecs/winrt-x86-msvc2012/qmake.conf
index 664212624ce..6e6ea4664d2 100644
--- a/mkspecs/winrt-x86-msvc2012/qmake.conf
+++ b/mkspecs/winrt-x86-msvc2012/qmake.conf
@@ -12,8 +12,9 @@ QMAKE_LFLAGS           += /SAFESEH /MACHINE:X86
 
 QMAKE_LIBS             += windowscodecs.lib kernel32.lib ole32.lib
 
-VCPROJ_ARCH             = x86
+VCPROJ_ARCH             = Win32
 MSVC_VER                = 11.0
 WINSDK_VER              = 8.0
 WINTARGET_VER           = win8
 WINRT_MANIFEST          = $$PWD/../common/winrt_winphone/manifests/8.0/AppxManifest.xml.in
+WINRT_MANIFEST.architecture = x86
diff --git a/mkspecs/winrt-x86-msvc2013/qmake.conf b/mkspecs/winrt-x86-msvc2013/qmake.conf
index 384b51a1e62..77b906c7d3d 100644
--- a/mkspecs/winrt-x86-msvc2013/qmake.conf
+++ b/mkspecs/winrt-x86-msvc2013/qmake.conf
@@ -14,8 +14,9 @@ QMAKE_LFLAGS           += /SAFESEH /MACHINE:X86
 
 QMAKE_LIBS             += windowscodecs.lib kernel32.lib ole32.lib
 
-VCPROJ_ARCH             = x86
+VCPROJ_ARCH             = Win32
 MSVC_VER                = 12.0
 WINSDK_VER              = 8.1
 WINTARGET_VER           = winv6.3
 WINRT_MANIFEST          = $$PWD/../common/winrt_winphone/manifests/8.1/AppxManifest.xml.in
+WINRT_MANIFEST.architecture = x86