Index: nano.tcl
==================================================================
--- nano.tcl
+++ nano.tcl
@@ -1141,23 +1141,27 @@
 	return $block
 }
 
 # RPC Client
 proc ::nano::rpc::client::init args {
-	dict with args {}
+	if {![info exists ::nano::rpc::client::config]} {
+		set ::nano::rpc::client::config [dict create \
+		    url {http://localhost:7076/} \
+		]
+	}
 
-	if {![info exists url]} {
-		set url {http://localhost:7076/}
+	if {[llength $args] > 0} {
+		set ::nano::rpc::client::config [dict merge $::nano::rpc::client::config $args]
 	}
 
-	set ::nano::rpc::client::url $url
+	return true
 }
 
 proc ::nano::rpc::client {action args} {
 	::nano::rpc::client::init
 
-	set rpcURL $::nano::rpc::client::url
+	set rpcURL [dict get $::nano::rpc::client::config "url"]
 
 	set jsonArgs [list]
 	foreach {key value} $args {
 		switch -exact -- $key {
 			"-count" {}