diff --git a/Makefile b/Makefile
index b583ea484ef1..b9d36bb8b69e 100644
--- a/Makefile
+++ b/Makefile
@@ -178,6 +178,7 @@ test-e2e-run: generate-e2e-templates $(ENVSUBST) $(KUBECTL) $(GINKGO) ## Run e2e
 
 .PHONY: test-e2e
 test-e2e: ## Run e2e tests
+	iptables -t mangle -A POSTROUTING -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu && \
 	PULL_POLICY=IfNotPresent MANAGER_IMAGE=$(CONTROLLER_IMG)-$(ARCH):$(TAG) \
 	$(MAKE) docker-build docker-push \
 	test-e2e-run