diff --git a/lib/rapi/client.py b/lib/rapi/client.py
index cf7971132300264afe96f5216e0e392626211580..6f106af2e951e1ea2004b3fa2f4c3c390c141296 100644
--- a/lib/rapi/client.py
+++ b/lib/rapi/client.py
@@ -1045,7 +1045,7 @@ class GanetiRapiClient(object): # pylint: disable=R0904
     body = kwargs
 
     _AppendDryRunIf(query, dry_run)
-    _AppendIf(query, no_remember, ("no-remember", 1))
+    _AppendIf(query, no_remember, ("no_remember", 1))
 
     return self._SendRequest(HTTP_PUT,
                              ("/%s/instances/%s/shutdown" %
@@ -1066,7 +1066,7 @@ class GanetiRapiClient(object): # pylint: disable=R0904
     """
     query = []
     _AppendDryRunIf(query, dry_run)
-    _AppendIf(query, no_remember, ("no-remember", 1))
+    _AppendIf(query, no_remember, ("no_remember", 1))
 
     return self._SendRequest(HTTP_PUT,
                              ("/%s/instances/%s/startup" %