diff --git a/client/lib/engine/bin/DiskLib.py b/client/lib/engine/bin/DiskLib.py
index 6969d47..350a482 100755
--- a/client/lib/engine/bin/DiskLib.py
+++ b/client/lib/engine/bin/DiskLib.py
@@ -842,7 +842,7 @@ def ogGetPartitionSize (disk, par):
     sz = subprocess.run (['partx', '-gbo', 'SIZE', PART], capture_output=True, text=True).stdout.strip()
     if sz: return int (int (sz) / 1024)
 
-    sz = subprocess.run (['lvs', '--noheadings', '-o', 'lv_size', '--units', 'k', PART], capture_output=True, text=True).stdout.strip
+    sz = subprocess.run (['lvs', '--noheadings', '-o', 'lv_size', '--units', 'k', PART], capture_output=True, text=True).stdout.strip()
     if sz: return int (sz)
 
     return FileSystemLib.ogGetFsSize (disk, par)