diff --git a/master/internal/rm/dispatcherrm/dispatcher_resource_manager.go b/master/internal/rm/dispatcherrm/dispatcher_resource_manager.go
index 8eb6bc93ae6..c8e275f27e4 100644
--- a/master/internal/rm/dispatcherrm/dispatcher_resource_manager.go
+++ b/master/internal/rm/dispatcherrm/dispatcher_resource_manager.go
@@ -619,7 +619,7 @@ func (*DispatcherResourceManager) ValidateCommandResources(
 
 // ValidateResourcePoolAvailability implements rm.ResourceManager.
 func (*DispatcherResourceManager) ValidateResourcePoolAvailability(
-	string, int,
+	*sproto.ValidateResourcePoolAvailabilityRequest,
 ) ([]command.LaunchWarning, error) {
 	return nil, nil
 }