diff --git a/pym/cl_install.py b/pym/cl_install.py
index bf4cd64..4bb4853 100644
--- a/pym/cl_install.py
+++ b/pym/cl_install.py
@@ -1805,7 +1805,7 @@ class cl_install(color_print, SignalInterrupt):
                 return _("Partition on disk")
             elif "raid-partition" == diskScheme:
                 return _("Partition on RAID")
-            elif "disk" in diskScheme:
+            elif "disk" == diskScheme:
                 return _("Disk without partitions")
             elif "lvm" in diskScheme:
                 return _("LVM")