diff --git a/tuned/plugins/plugin_disk.py b/tuned/plugins/plugin_disk.py
index 5207dff..6dd6fb6 100644
--- a/tuned/plugins/plugin_disk.py
+++ b/tuned/plugins/plugin_disk.py
@@ -305,12 +305,12 @@ class DiskPlugin(hotplug.Plugin):
 				return
 			new_readahead = int(float(multiplier) * old_readahead)
 			self._storage.set(storage_key, old_readahead)
-			self._set_readahead(new_readahead, device)
+			self._set_readahead(new_readahead, device, False)
 		else:
 			old_readahead = self._storage.get(storage_key)
 			if old_readahead is None:
 				return
-			self._set_readahead(old_readahead, device)
+			self._set_readahead(old_readahead, device, False)
 			self._storage.unset(storage_key)
 
 	def _scheduler_quantum_file(self, device):