diff --git a/scripts/wk/os/win.py b/scripts/wk/os/win.py
index 82e768af..b32866ca 100644
--- a/scripts/wk/os/win.py
+++ b/scripts/wk/os/win.py
@@ -72,6 +72,11 @@ def activate_with_bios():
   #####################################################
   bios_key = None
   table = b"MSDM"
+  # Check if activation is needed
+  if is_activated():
+    raise GenericWarning('System already activated')
+
+  # Get BIOS key
   if acpi.FindAcpiTable(table) is True:
     rawtable = acpi.GetAcpiTable(table)
     #http://msdn.microsoft.com/library/windows/hardware/hh673514
@@ -82,10 +87,6 @@ def activate_with_bios():
   if not bios_key:
     raise GenericError('BIOS key not found.')
 
-  # Check if activation is needed
-  if is_activated():
-    raise GenericWarning('System already activated')
-
   # Install Key
   cmd = ['cscript', '//nologo', SLMGR, '/ipk', bios_key]
   run_program(cmd, check=False)