diff --git a/tools/mkpkg/update_binary-addons b/tools/mkpkg/update_binary-addons
index 31086704ef..f390ae4e38 100755
--- a/tools/mkpkg/update_binary-addons
+++ b/tools/mkpkg/update_binary-addons
@@ -8,7 +8,7 @@ BUMP_PKG_REV=""
 KEEP_GIT_DIRS="yes"
 
 usage() {
-  echo "Usage: $0 [options] <branch-name>"
+  echo "Usage: $0 [options] <kodi-branch> [<unofficial-addon-branch>]"
   echo " -b, --bump-pkg-rev: bump PKG_REV if package was not updated"
   echo " -d, --delete-git-dirs: delete cloned git dirs after update"
   echo " -h, --help: display help and exit"
@@ -40,7 +40,7 @@ while [ $# -ne 0 ]; do
   esac
 done
 
-if [ $# -ne 1 ]; then
+if [ $# -eq 0 -o $# -gt 2 ]; then
   usage
   exit 1
 fi
@@ -60,6 +60,12 @@ mkdir -p "${TMPDIR}"
 KODI_BRANCH="$1"
 KODI_DIR="kodi.git"
 
+if [ $# -eq 1 ]; then
+  UNOFFICIAL_ADDON_BRANCH="${KODI_BRANCH}"
+else
+  UNOFFICIAL_ADDON_BRANCH="$2"
+fi
+
 . "${MY_DIR}/update_common_functions"
 
 git_clone https://github.com/xbmc/xbmc ${KODI_DIR} ${KODI_BRANCH}
@@ -165,9 +171,15 @@ for ADDON in $(ls -1 "${ROOT}/packages/mediacenter/kodi-binary-addons"); do
 
   git_clone ${GIT_REPO} ${GIT_DIR}
 
-  # update package.mk for stale github.com packages
-  RESOLVED_HASH=$(resolve_hash_in_branch ${ADDON}.git HEAD) || continue
-  echo "Resolving hash for ${ADDON}: HEAD => ${RESOLVED_HASH}"
+  if RESOLVED_HASH=$(resolve_hash_in_branch ${ADDON}.git ${UNOFFICIAL_ADDON_BRANCH}); then
+    echo "Resolved hash for ${ADDON}: ${UNOFFICIAL_ADDON_BRANCH} => ${RESOLVED_HASH}"
+  elif RESOLVED_HASH=$(resolve_hash_in_branch ${ADDON}.git HEAD); then
+    echo "Resolved hash for ${ADDON}: HEAD => ${RESOLVED_HASH}"
+  else
+    msg_warn "WARNING: Could not resolve hash for ${ADDON}"
+    continue
+  fi
+
   if update_pkg "${ADDON_PATH}" "${ADDON}" "${RESOLVED_HASH}"; then
     # always bump PKG_REV when updating untagged addons
     bump_pkg_rev "${ADDON_PATH}" "${ADDON}"