diff --git a/pungi/phases/livemedia_phase.py b/pungi/phases/livemedia_phase.py
index e895fd35..fa811020 100644
--- a/pungi/phases/livemedia_phase.py
+++ b/pungi/phases/livemedia_phase.py
@@ -170,10 +170,10 @@ class LiveMediaThread(WorkerThread):
         linker = Linker(logger=compose._logger)
         link_type = compose.conf.get("link_type", "hardlink-or-copy")
         for image_info in image_infos:
-            image_dir = compose.paths.compose.iso_dir(variant) % {"arch": image_info['arch']}
+            image_dir = compose.paths.compose.iso_dir(image_info['arch'], variant)
             makedirs(image_dir)
             relative_image_dir = (
-                compose.paths.compose.iso_dir(variant, relative=True) % {"arch": image_info['arch']}
+                compose.paths.compose.iso_dir(image_info['arch'], variant, relative=True)
             )
 
             # let's not change filename of koji outputs
diff --git a/tests/test_livemediaphase.py b/tests/test_livemediaphase.py
index fb8e9f24..0c4b982f 100755
--- a/tests/test_livemediaphase.py
+++ b/tests/test_livemediaphase.py
@@ -36,8 +36,8 @@ class _DummyCompose(object):
                     side_effect=lambda arch, variant, create_dir=False: os.path.join('/repo', arch, variant.uid)
                 ),
                 iso_dir=mock.Mock(
-                    side_effect=lambda variant, relative=False: os.path.join(
-                        '' if relative else '/', 'iso_dir', variant.uid, '%(arch)s'
+                    side_effect=lambda arch, variant, relative=False: os.path.join(
+                        '' if relative else '/', 'iso_dir', variant.uid, arch
                     )
                 )
             ),