diff --git a/agent b/agent
index d624d0a..f4b4eb1 100755
--- a/agent
+++ b/agent
@@ -864,7 +864,7 @@ class NodeAgent
     #   <page_type size="1073741824" count="8"/>
     doc = Document.new `lstopo --no-caches --of xml`
 
-    topology = {:numa_nodes => [], :supported_hugepages => supported_hugepages, :distances => nil}
+    topology = {:numa_nodes => [], :supported_hugepages => supported_hugepages, :distances => [["1.0"]]}
 
     doc.elements.each('/topology/object/distances/') do |dist|
       topology[:distances] = dist.elements.collect{|v| v.attributes['value']}