diff --git a/1.12/docker-entrypoint.sh b/1.12/docker-entrypoint.sh
index fe790b143..aaac31921 100755
--- a/1.12/docker-entrypoint.sh
+++ b/1.12/docker-entrypoint.sh
@@ -12,6 +12,9 @@ if docker help "$1" > /dev/null 2>&1; then
 	set -- docker "$@"
 fi
 
+# force cgo resolver
+export GODEBUG=netdns=cgo
+
 # if we have "--link some-docker:docker" and not DOCKER_HOST, let's set DOCKER_HOST automatically
 if [ -z "$DOCKER_HOST" -a "$DOCKER_PORT_2375_TCP" ]; then
 	export DOCKER_HOST='tcp://docker:2375'
diff --git a/1.13/docker-entrypoint.sh b/1.13/docker-entrypoint.sh
index fe790b143..aaac31921 100755
--- a/1.13/docker-entrypoint.sh
+++ b/1.13/docker-entrypoint.sh
@@ -12,6 +12,9 @@ if docker help "$1" > /dev/null 2>&1; then
 	set -- docker "$@"
 fi
 
+# force cgo resolver
+export GODEBUG=netdns=cgo
+
 # if we have "--link some-docker:docker" and not DOCKER_HOST, let's set DOCKER_HOST automatically
 if [ -z "$DOCKER_HOST" -a "$DOCKER_PORT_2375_TCP" ]; then
 	export DOCKER_HOST='tcp://docker:2375'