diff --git a/tools/burnin b/tools/burnin
index 04427091993af90a383a7c71e94eea609387c8e7..a7ac6f65a4cdfba248a06711ff2bbf1ba4dd069a 100755
--- a/tools/burnin
+++ b/tools/burnin
@@ -476,7 +476,8 @@ class Burner(object):
     self.opts = options
     self.instances = args
     self.bep = {
-      constants.BE_MEMORY: options.mem_size,
+      constants.BE_MINMEM: options.mem_size,
+      constants.BE_MAXMEM: options.mem_size,
       constants.BE_VCPUS: options.vcpu_count,
       }