diff --git a/beacon_chain/nimbus_beacon_node.nim b/beacon_chain/nimbus_beacon_node.nim
index 6d0511012..5c189f81a 100644
--- a/beacon_chain/nimbus_beacon_node.nim
+++ b/beacon_chain/nimbus_beacon_node.nim
@@ -895,7 +895,10 @@ func formatGwei(amount: uint64): string =
   result = $eth
   if remainder != 0:
     result.add '.'
-    result.add $remainder
+    let remainderStr = $remainder
+    for i in remainderStr.len ..< 9:
+      result.add '0'
+    result.add remainderStr
     while result[^1] == '0':
       result.setLen(result.len - 1)
 
diff --git a/vendor/nim-libp2p b/vendor/nim-libp2p
index b4738d723..d1c689e5a 160000
--- a/vendor/nim-libp2p
+++ b/vendor/nim-libp2p
@@ -1 +1 @@
-Subproject commit b4738d723ceefa3007c7d8f16d17755a661ee50b
+Subproject commit d1c689e5abca4f679a5e2deda34047f7ecd4cd8b