diff --git a/plugins/available/boot2docker.plugin.bash b/plugins/available/boot2docker.plugin.bash
index c8b389c3..f19e91ef 100644
--- a/plugins/available/boot2docker.plugin.bash
+++ b/plugins/available/boot2docker.plugin.bash
@@ -3,7 +3,7 @@ about-plugin 'Helpers to get Docker setup correctly for boot2docker'
 
 # Note, this might need to be different if you have an older version
 # of boot2docker, or its configured for a different IP
-if [[ `uname -s` == "Darwin" ]]; then
+if [[ "$OSTYPE" == 'darwin'* ]]; then
   export DOCKER_HOST="tcp://192.168.59.103:2376"
   export DOCKER_CERT_PATH="~/.boot2docker/certs/boot2docker-vm"
   export DOCKER_TLS_VERIFY=1