diff --git a/scripts/build b/scripts/build
index 78579c4..51235a6 100755
--- a/scripts/build
+++ b/scripts/build
@@ -302,6 +302,16 @@ if [ ! -f $STAMP ]; then
         post_make_$TARGET
       fi
 
+      # Bump addon version to prevent online updates
+      if [ "$TARGET" = "target" -a "$PKG_IS_ADDON" = "yes" ]; then
+        mhaddonxml="$ROOT/$PKG_BUILD/$PKG_NAME/addon.xml"
+        [ -f ${mhaddonxml} ] || mhaddonxml="$ROOT/$PKG_BUILD/addon.xml"
+        if [ -f ${mhaddonxml} ]; then
+          mhaddonver="$(xmlstarlet sel -t -m "/addon" -m "@version" -v . -n ${mhaddonxml})"
+          [ -n "${mhaddonver}" ] && xmlstarlet edit --inplace --update "/addon/@version" --value "999.${mhaddonver}" ${mhaddonxml}
+        fi
+      fi
+
       # make install
       if [ "$(type -t pre_makeinstall_$TARGET)" = "function" ]; then
         pre_makeinstall_$TARGET