diff --git a/network/proto/network.proto b/network/proto/network.proto
index 4689325b..d58ed5b8 100644
--- a/network/proto/network.proto
+++ b/network/proto/network.proto
@@ -75,10 +75,10 @@ message Node {
         string id = 1;
         // node address
         string address = 2;
-	// the network
-	string network = 3;
-	// associated metadata
-	map<string,string> metadata = 4;
+        // the network
+        string network = 3;
+        // associated metadata
+        map<string,string> metadata = 4;
 }
 
 // Connect is sent when the node connects to the network