diff --git a/src/im_mad/im_exec/one_im_exec.rb b/src/im_mad/im_exec/one_im_exec.rb
index b377ad43ec..4346d29b1e 100755
--- a/src/im_mad/im_exec/one_im_exec.rb
+++ b/src/im_mad/im_exec/one_im_exec.rb
@@ -104,7 +104,7 @@ if ARGV.length >= 1
 end
 
 im = InformationManagerDriver.new(hypervisor,
-    :threads => threads,
+    :concurrency => threads,
     :retries => retries,
     :local_actions => local_actions)