diff --git a/scuba/__main__.py b/scuba/__main__.py
index 566be462..71b129b8 100644
--- a/scuba/__main__.py
+++ b/scuba/__main__.py
@@ -148,7 +148,10 @@ def cleanup_tempfiles(self):
 
     @property
     def is_remote_docker(self):
-        return 'DOCKER_HOST' in os.environ
+        if 'DOCKER_HOST' in os.environ:
+            if not os.environ['DOCKER_HOST'].startswith('unix://'):
+                return True
+        return False
 
     def add_env(self, name, val):
         '''Add an environment variable to the docker run invocation