diff --git a/app/platform/fabric/Proxy.ts b/app/platform/fabric/Proxy.ts
index 6f3022d23..65505a931 100644
--- a/app/platform/fabric/Proxy.ts
+++ b/app/platform/fabric/Proxy.ts
@@ -137,12 +137,14 @@ export class Proxy {
 							node.ledger_height_unsigned = peer.ledgerHeight.unsigned;
 						}
 					}
-				} else {
-					// Sometime 'peers_by_org' property is not included in discover result
+				}
+				// Sometime 'peers_by_org' property is not included in discover result
+				if(typeof node.ledger_height_low === 'undefined')
 					node.ledger_height_low = '-';
+				if(typeof node.ledger_height_high === 'undefined')
 					node.ledger_height_high = '-';
+				if(typeof node.ledger_height_unsigned === 'undefined')
 					node.ledger_height_unsigned = '-';
-				}
 				peers.push(node);
 			} else if (node.peer_type === 'ORDERER') {
 				node.status = 'DOWN';