diff --git a/cli/options/options.go b/cli/options/options.go
index 8d6b5a4eb..b2bcedc13 100644
--- a/cli/options/options.go
+++ b/cli/options/options.go
@@ -59,6 +59,12 @@ var Config = cli.StringFlag{
 	Usage: "path to directory with configuration files",
 }
 
+// Debug is a flag for commands that allow node in debug mode usage.
+var Debug = cli.BoolFlag{
+	Name:  "debug, d",
+	Usage: "enable debug logging (LOTS of output)",
+}
+
 var errNoEndpoint = errors.New("no RPC endpoint specified, use option '--" + RPCEndpointFlag + "' or '-r'")
 var errInvalidHistoric = errors.New("invalid 'historic' parameter, neither a block number, nor a block/state hash")
 
diff --git a/cli/server/server.go b/cli/server/server.go
index 8ae5b8136..88d5ff790 100644
--- a/cli/server/server.go
+++ b/cli/server/server.go
@@ -47,7 +47,7 @@ func NewCommands() []cli.Command {
 	cfgFlags = append(cfgFlags, options.Network...)
 	var cfgWithCountFlags = make([]cli.Flag, len(cfgFlags))
 	copy(cfgWithCountFlags, cfgFlags)
-	cfgFlags = append(cfgFlags, cli.BoolFlag{Name: "debug, d", Usage: "enable debug logging (LOTS of output)"})
+	cfgFlags = append(cfgFlags, options.Debug)
 
 	cfgWithCountFlags = append(cfgWithCountFlags,
 		cli.UintFlag{