diff --git a/autobuild.xml b/autobuild.xml
index 94c2fe1b9de7fe7255b9c534af3e1e77c5f30197..d908344df9d1e5d39299c93c267658a23baf11a1 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -2393,7 +2393,7 @@
                   <string>-G</string>
                   <string>"Visual Studio 10"</string>
                   <string>-DUNATTENDED:BOOL=ON</string>
-                  <string>-DINSTALL_PROPRIETARY=TRUE</string>
+                  <string>-DINSTALL_PROPRIETARY=FALSE</string>
                   <string>-DUSE_KDU=FALSE</string>
                   <string>-DFMOD=FALSE</string>
                 </array>
@@ -2469,7 +2469,7 @@
                   <string>-G</string>
                   <string>"Visual Studio 10"</string>
                   <string>-DUNATTENDED:BOOL=ON</string>
-                  <string>-DINSTALL_PROPRIETARY=TRUE</string>
+                  <string>-DINSTALL_PROPRIETARY=FALSE</string>
                   <string>-DUSE_KDU=FALSE</string>
                   <string>-DFMOD=FALSE</string>
                 </array>