diff --git a/pungi/phases/buildinstall.py b/pungi/phases/buildinstall.py
index fb0faf60..41472e92 100644
--- a/pungi/phases/buildinstall.py
+++ b/pungi/phases/buildinstall.py
@@ -130,6 +130,7 @@ class BuildinstallPhase(PhaseBase):
 
             if buildinstall_method == "lorax":
                 for variant in self.compose.get_variants(arch=arch, types=['variant']):
+                    volid = get_volid(self.compose, arch, variant=variant, disc_type="boot")
                     commands.append(
                         self._get_lorax_cmd(repo_baseurl, output_dir, variant, arch, buildarch, volid)
                     )
diff --git a/pungi/util.py b/pungi/util.py
index 5bfd02fa..facecd20 100644
--- a/pungi/util.py
+++ b/pungi/util.py
@@ -347,9 +347,9 @@ def get_volid(compose, arch, variant=None, escape_spaces=False, disc_type=False)
     # iso = IsoWrapper(logger=compose._logger)
     # volid = iso._truncate_volid(volid)
 
-    if len(volid) > 32:
+    if volid and len(volid) > 32:
         raise ValueError("Could not create volume ID <= 32 characters")
 
-    if escape_spaces:
+    if volid and escape_spaces:
         volid = volid.replace(" ", r"\x20")
     return volid