diff --git a/autobuild.xml b/autobuild.xml
index a8aa9371d65126f87bc1cf15640a8a1acd60bb4a..bd98d597666e74fd7652b0e59c091cf18be67643 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -1592,6 +1592,7 @@
                   <string>-DCMAKE_BUILD_TYPE:STRING=Debug</string>
                   <string>-DWORD_SIZE:STRING=32</string>
                   <string>-DROOT_PROJECT_NAME:STRING=SecondLife</string>
+                  <string>-DINSTALL_PROPRIETARY=TRUE</string>
                 </array>
               </map>
               <key>name</key>
@@ -1632,6 +1633,7 @@
                   <string>-DCMAKE_BUILD_TYPE:STRING=RelWithDebInfo</string>
                   <string>-DWORD_SIZE:STRING=32</string>
                   <string>-DROOT_PROJECT_NAME:STRING=SecondLife</string>
+                  <string>-DINSTALL_PROPRIETARY=TRUE</string>
                 </array>
               </map>
               <key>name</key>
@@ -1674,6 +1676,7 @@
                   <string>-DROOT_PROJECT_NAME:STRING=SecondLife</string>
                   <string>-DUSE_PRECOMPILED_HEADERS=ON</string>
                   <string>-DLL_RELEASE_FOR_DOWNLOAD:BOOL=TRUE</string>
+                  <string>-DINSTALL_PROPRIETARY=TRUE</string>
                 </array>
               </map>
               <key>name</key>