diff --git a/openshift/e2e-common.sh b/openshift/e2e-common.sh
index 55ff6556d398..ce357e1b6b72 100644
--- a/openshift/e2e-common.sh
+++ b/openshift/e2e-common.sh
@@ -109,14 +109,10 @@ function update_csv(){
   local KOURIER_VERSION=$(metadata.get dependencies.kourier)
   local KOURIER_MINOR_VERSION=${KOURIER_VERSION%.*}    # e.g. "0.21.0" => "0.21"
 
-  local KOURIER_CONTROL="registry.ci.openshift.org/openshift/knative-v${KOURIER_VERSION}:kourier"
-  local KOURIER_GATEWAY=$(grep -w "docker.io/maistra/proxyv2-ubi8" $SERVING_DIR/third_party/kourier-latest/kourier.yaml  | awk '{print $NF}')
+  export KNATIVE_KOURIER_CONTROL="registry.ci.openshift.org/openshift/knative-v${KOURIER_VERSION}:kourier"
+  export KNATIVE_KOURIER_GATEWAY=$(grep -w "docker.io/maistra/proxyv2-ubi8" $SERVING_DIR/third_party/kourier-latest/kourier.yaml  | awk '{print $NF}')
   local CSV="olm-catalog/serverless-operator/manifests/serverless-operator.clusterserviceversion.yaml"
 
-  # Replace kourier's image with the latest ones from third_party/kourier-latest
-  sed -i -e "s|\"docker.io/maistra/proxyv2-ubi8:.*\"|\"${KOURIER_GATEWAY}\"|g"                                        ${CSV}
-  sed -i -e "s|\"registry.ci.openshift.org/openshift/knative-.*:kourier\"|\"${KOURIER_CONTROL}\"|g"               ${CSV}
-
   # release-next branch keeps updating the latest manifest in knative-serving-ci.yaml for serving resources.
   # see: https://github.com/openshift/knative-serving/blob/release-next/openshift/release/knative-serving-ci.yaml
   # So mount the manifest and use it by KO_DATA_PATH env value.
@@ -183,7 +179,8 @@ function install_catalogsource(){
   # And checkout the setup script based on that commit.
   local SERVERLESS_DIR=$(mktemp -d)
   local CURRENT_DIR=$(pwd)
-  git clone --depth 1 https://github.com/openshift-knative/serverless-operator.git ${SERVERLESS_DIR}
+  git clone --branch override_env_via_injection_net --depth 1 https://github.com/skonto/serverless-operator.git ${SERVERLESS_DIR}
+
   pushd ${SERVERLESS_DIR}
 
   source ./test/lib.bash