diff --git a/autobuild.xml b/autobuild.xml
index 46b1fa2ff6..eb8f57e467 100644
--- a/autobuild.xml
+++ b/autobuild.xml
@@ -452,7 +452,7 @@
               <key>hash</key>
               <string>61ead113e6479452e6b690c84b4e9d30</string>
               <key>url</key>
-              <string>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/fmod-3.75-darwin-20110222.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-fmod-private/rev/221852/arch/Darwin/installer/fmod-3.75-darwin-20110222.tar.bz2</string>
             </map>
             <key>name</key>
             <string>darwin</string>
@@ -464,7 +464,7 @@
               <key>hash</key>
               <string>0c61d643db54d2e5999be8254569d8b3</string>
               <key>url</key>
-              <string>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/fmod-3.75-linux-20110223.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-fmod-private/rev/221852/arch/Linux/installer/fmod-3.75-linux-20110223.tar.bz2</string>
             </map>
             <key>name</key>
             <string>linux</string>
@@ -476,7 +476,7 @@
               <key>hash</key>
               <string>d9a9a6ad86895353bcd63374a4c1a91d</string>
               <key>url</key>
-              <string>http://s3.amazonaws.com/viewer-source-downloads/install_pkgs/fmod-3.75-windows-20110222.tar.bz2</string>
+              <string>http://s3-proxy.lindenlab.com/private-builds-secondlife-com/hg/repo/3p-fmod-private/rev/221852/arch/CYGWIN/installer/fmod-3.75-windows-20110222.tar.bz2</string>
             </map>
             <key>name</key>
             <string>windows</string>