diff --git a/src/cluster.jl b/src/cluster.jl
index 9c925a25da0794..fea3fb1ea34961 100644
--- a/src/cluster.jl
+++ b/src/cluster.jl
@@ -369,7 +369,7 @@ function addprocs(manager::ClusterManager; kwargs...)
 end
 
 function addprocs_locked(manager::ClusterManager; kwargs...)
-    params = merge(default_addprocs_params(), AnyDict(pairs(kwargs)))
+    params = merge(default_addprocs_params(), AnyDict(kwargs))
     topology(Symbol(params[:topology]))
 
     if PGRP.topology != :all_to_all