diff --git a/machine.proto b/machine.proto
index 55772aa..0926fa5 100644
--- a/machine.proto
+++ b/machine.proto
@@ -9,8 +9,9 @@ message Machine {
   string hostname 		= 1;
   int64 memory 			= 2;
   int64 cpus			= 3;
-  Packages packages		= 4;
-  google.protobuf.Timestamp     laststamp      = 5;    // the last time we heard anything from this machine
+  string distro			= 4;
+  Packages packages		= 5;
+  google.protobuf.Timestamp     laststamp      = 6;    // the last time we heard anything from this machine
 }
 
 message Machines {