diff --git a/build.sh b/build.sh
index 6d3b8bb1..377ec18b 100755
--- a/build.sh
+++ b/build.sh
@@ -43,8 +43,13 @@ EXTRAS="$2"
 MAJOR=$(cat $DIR/vendor/pa/vendor.mk | grep 'ROM_VERSION_MAJOR := *' | sed  's/ROM_VERSION_MAJOR := //g')
 MINOR=$(cat $DIR/vendor/pa/vendor.mk | grep 'ROM_VERSION_MINOR := *' | sed  's/ROM_VERSION_MINOR := //g')
 MAINTENANCE=$(cat $DIR/vendor/pa/vendor.mk | grep 'ROM_VERSION_MAINTENANCE := *' | sed  's/ROM_VERSION_MAINTENANCE := //g')
+TAG=$(cat $DIR/vendor/pa/vendor.mk | grep 'ROM_VERSION_TAG := *' | sed  's/ROM_VERSION_TAG := //g')
 
-VERSION=$MAJOR.$MINOR$MAINTENANCE
+if [ -n "$TAG" ]; then
+        VERSION=$MAJOR.$MINOR$MAINTENANCE-$TAG
+else
+        VERSION=$MAJOR.$MINOR$MAINTENANCE
+fi
 
 # If there is no extra parameter, reduce parameters index by 1
 if [ "$EXTRAS" == "true" ] || [ "$EXTRAS" == "false" ]; then