diff --git a/podctl/console_script.py b/podctl/console_script.py
index ed46ee4..0dbe3ac 100644
--- a/podctl/console_script.py
+++ b/podctl/console_script.py
@@ -51,10 +51,10 @@ async def build(service=None, **kwargs):
                 loop=loop,
             )
 
-        prefix = '' if os.getenv('BUILDAH_ISOLATION') == 'chroot' else 'buildah unshare'
+        prefix = '' if os.getenv('BUILDAH_ISOLATION') == 'chroot' else 'buildah unshare '
         transport, protocol = await loop.subprocess_shell(
             protocol_factory,
-            prefix + f' bash -eux {script}',
+            prefix + f'bash -eux {script}',
         )
         print('+ ' + prefix + f' bash -eux {script}')
         procs.append(asyncio.subprocess.Process(