diff --git a/Makefile b/Makefile
index b5be84f0..3d9cf3cc 100644
--- a/Makefile
+++ b/Makefile
@@ -36,6 +36,8 @@ SKIP_INSTALL_REGISTRY =
 # This allows updating the fill-test-ci-values template only, without
 # installing any chart dependencies.
 SKIP_ALL_DEPS =
+# Set to `true` to use the disable harbor integration in lagoon-core
+DISABLE_CORE_HARBOR =
 
 TIMEOUT = 30m
 HELM = helm
@@ -181,6 +183,7 @@ install-lagoon-core: install-minio
 		--values ./charts/lagoon-core/ci/linter-values.yaml \
 		$$([ $(IMAGE_TAG) ] && echo '--set imageTag=$(IMAGE_TAG)') \
 		$$([ $(OVERRIDE_ACTIVE_STANDBY_TASK_IMAGE) ] && echo '--set overwriteActiveStandbyTaskImage=$(OVERRIDE_ACTIVE_STANDBY_TASK_IMAGE)') \
+		$$([ $(DISABLE_CORE_HARBOR) ] && echo '--set api.additionalEnvs.DISABLE_CORE_HARBOR=$(DISABLE_CORE_HARBOR)') \
 		--set "keycloakAPIURL=http://lagoon-keycloak.$$($(KUBECTL) get nodes -o jsonpath='{.items[0].status.addresses[0].address}').nip.io:32080/auth" \
 		--set "lagoonAPIURL=http://lagoon-api.$$($(KUBECTL) get nodes -o jsonpath='{.items[0].status.addresses[0].address}').nip.io:32080/graphql" \
 		--set actionsHandler.image.repository=$(IMAGE_REGISTRY)/actions-handler \