diff --git a/test/nvmf/nvmf.conf b/test/nvmf/nvmf.conf
index bf19eefda..ac6a5d9e2 100644
--- a/test/nvmf/nvmf.conf
+++ b/test/nvmf/nvmf.conf
@@ -1,5 +1,6 @@
 [Global]
   Comment "Global section"
+  ReactorMask 0xF
 
 [Nvmf]
   MaxQueuesPerSession 4