diff --git a/drivers/LVHDSR.py b/drivers/LVHDSR.py
index c5ed19075..66f9aac01 100755
--- a/drivers/LVHDSR.py
+++ b/drivers/LVHDSR.py
@@ -166,9 +166,11 @@ def load(self, sr_uuid) -> None:
         self.mdpath = os.path.join(self.path, self.MDVOLUME_NAME)
         self.provision = self.PROVISIONING_DEFAULT
 
-        self.other_conf = None
-        if self.srcmd.params.get("sr_ref"):
+        has_sr_ref = self.srcmd.params.get("sr_ref")
+        if has_sr_ref:
             self.other_conf = self.session.xenapi.SR.get_other_config(self.sr_ref)
+        else:
+            self.other_conf = None
 
         self.lvm_conf = None
         if self.other_conf:
@@ -181,7 +183,7 @@ def load(self, sr_uuid) -> None:
                         opterr='Failed to initialise the LVMCache')
         self.lvActivator = LVActivator(self.uuid, self.lvmCache)
         self.journaler = Journaler(self.lvmCache)
-        if not self.other_conf:
+        if not has_sr_ref:
             return  # must be a probe call
         # Test for thick vs thin provisioning conf parameter
         if 'allocation' in self.dconf: