diff --git a/libbeat/scripts/Makefile b/libbeat/scripts/Makefile
index 3d2549a7598..e4af10508c7 100755
--- a/libbeat/scripts/Makefile
+++ b/libbeat/scripts/Makefile
@@ -230,7 +230,13 @@ system-tests: prepare-tests ${BEAT_NAME}.test python-env
 .PHONY: system-tests-environment
 system-tests-environment:  ## @testing Runs the system tests inside a virtual environment. This can be run on any docker-machine (local, remote)
 system-tests-environment: prepare-tests build-image
-	${DOCKER_COMPOSE} run -e INTEGRATION_TESTS=1 -e TESTING_ENVIRONMENT=${TESTING_ENVIRONMENT} -e DOCKER_COMPOSE_PROJECT_NAME=${DOCKER_COMPOSE_PROJECT_NAME} -e PYTHON_EXE=${PYTHON_EXE} beat make system-tests
+	${DOCKER_COMPOSE} run \
+		-e INTEGRATION_TESTS=1 \
+		-e TESTING_ENVIRONMENT=${TESTING_ENVIRONMENT} \
+		-e DOCKER_COMPOSE_PROJECT_NAME=${DOCKER_COMPOSE_PROJECT_NAME} \
+		-e PYTHON_EXE=${PYTHON_EXE} \
+		-e GOFLAGS=-mod=vendor \
+		beat make system-tests
 
 .PHONY: fast-system-tests
 fast-system-tests: ## @testing Runs system tests without coverage reports and in parallel