diff --git a/mkspecs/common/winrt_winphone/manifests/10.0/AppxManifest.xml.in b/mkspecs/common/winrt_winphone/manifests/10.0/AppxManifest.xml.in
index 4ef12563839..9e188084ad4 100644
--- a/mkspecs/common/winrt_winphone/manifests/10.0/AppxManifest.xml.in
+++ b/mkspecs/common/winrt_winphone/manifests/10.0/AppxManifest.xml.in
@@ -9,7 +9,8 @@
   <Identity
     Name=\"$${WINRT_MANIFEST.identity}\"
     Publisher=\"$${WINRT_MANIFEST.publisherid}\"
-    Version=\"$${WINRT_MANIFEST.version}\" />
+    Version=\"$${WINRT_MANIFEST.version}\"
+    ProcessorArchitecture=\"$${WINRT_MANIFEST.architecture}\" />
 
   <mp:PhoneIdentity PhoneProductId=\"$${WINRT_MANIFEST.identity}\" PhonePublisherId=\"$${WINRT_MANIFEST.phone_publisher_id}\"/>