diff --git a/library/blivet.py b/library/blivet.py
index d474bbf5..55d27f08 100644
--- a/library/blivet.py
+++ b/library/blivet.py
@@ -218,7 +218,7 @@ def _reformat(self):
         if self._device.format.type == fmt.type:
             return
 
-        if safe_mode and self._device.format.type is None and self._device.format.name != get_format(None).name:
+        if safe_mode and self._device.format.type is not None or self._device.format.name != get_format(None).name:
             raise BlivetAnsibleError("cannot remove existing formatting on volume '%s' in safe mode" % self._volume['name'])
 
         if self._device.format.status: