diff --git a/scripts/dailyBuild.sh b/scripts/dailyBuild.sh
index b96c2d36..56637eca 100755
--- a/scripts/dailyBuild.sh
+++ b/scripts/dailyBuild.sh
@@ -3,6 +3,8 @@ while getopts t:d:b:u: flag; do
     case "${flag}" in
     t) DATE="${OPTARG}" ;;
     d) DRIVER="${OPTARG}" ;;
+    b) BUILD="${OPTARG}" ;;
+    u) DOCKER_USERNAME="${OPTARG}" ;;
     *) echo "Invalid option" ;;
     esac
 done
@@ -12,4 +14,10 @@ echo "Testing daily build image"
 sed -i "\#</containerRunOpts>#a<install><runtimeUrl>https://public.dhe.ibm.com/ibmdl/export/pub/software/openliberty/runtime/nightly/$DATE/$DRIVER</runtimeUrl></install>" inventory/pom.xml system/pom.xml
 cat inventory/pom.xml system/pom.xml
 
+if [[ "$DOCKER_USERNAME" != "" ]]; then
+    sed -i "s;FROM icr.io/appcafe/open-liberty:kernel-slim-java11-openj9-ubi;FROM $DOCKER_USERNAME/olguides:$BUILD;g" system/Dockerfile inventory/Dockerfile
+    sed -i "s;RUN features.sh;#RUN features.sh;g" inventory/Dockerfile system/Dockerfile
+    cat inventory/Dockerfile system/Dockerfile
+fi
+
 ../scripts/testApp.sh