diff --git a/Dockerfile.dapper b/Dockerfile.dapper
index 0a1252cceb..87c747935a 100644
--- a/Dockerfile.dapper
+++ b/Dockerfile.dapper
@@ -18,7 +18,7 @@ RUN if [ "${ARCH}" == "amd64" ]; then \
     fi
 
 ENV DAPPER_RUN_ARGS --privileged -v k3s-cache:/go/src/github.com/rancher/k3s/.cache
-ENV DAPPER_ENV REPO TAG DRONE_TAG IMAGE_NAME
+ENV DAPPER_ENV REPO TAG DRONE_TAG IMAGE_NAME SKIP_VALIDATE
 ENV DAPPER_SOURCE /go/src/github.com/rancher/k3s/
 ENV DAPPER_OUTPUT ./bin ./dist ./build/out
 ENV DAPPER_DOCKER_SOCKET true