diff --git a/docker-entrypoint b/docker-entrypoint
index 08c14a3..14b3ef9 100755
--- a/docker-entrypoint
+++ b/docker-entrypoint
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -e
 
-if [ -z "$DOCKER_HOST" -a "$DOCKER_PORT_2375_TCP" ]; then
+if [ -z "$DOCKER_HOST" ] && [ -a "$DOCKER_PORT_2375_TCP" ]; then
 	export DOCKER_HOST='tcp://docker:2375'
 fi