diff --git a/autobuild.xml b/autobuild.xml
index b90c6ec2f3eeaf44272700b3e8362f805910395a..f71a2621bad56fa769f79d4ff11470febe9da552 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -2143,6 +2143,7 @@
                 <array>
                   <string>-G</string>
                   <string>"Visual Studio 10"</string>
+                  <string>-DUNATTENDED:BOOL=ON</string>
                 </array>
               </map>
               <key>name</key>
@@ -2220,6 +2221,7 @@
                 <array>
                   <string>-G</string>
                   <string>"Visual Studio 10"</string>
+                  <string>-DUNATTENDED:BOOL=ON</string>
                 </array>
               </map>
               <key>name</key>
@@ -2296,6 +2298,7 @@
                 <array>
                   <string>-G</string>
                   <string>"Visual Studio 10"</string>
+                  <string>-DUNATTENDED:BOOL=ON</string>
                 </array>
               </map>
               <key>name</key>