diff --git a/pkg/azuredisk/azuredisk_option.go b/pkg/azuredisk/azuredisk_option.go
index 85b552ab9b..8bea5b3e51 100644
--- a/pkg/azuredisk/azuredisk_option.go
+++ b/pkg/azuredisk/azuredisk_option.go
@@ -106,7 +106,7 @@ func (o *DriverOptions) AddFlags() *flag.FlagSet {
 	fs.BoolVar(&o.RemoveNotReadyTaint, "remove-not-ready-taint", true, "remove NotReady taint from node when node is ready")
 	fs.StringVar(&o.Endpoint, "endpoint", "unix://tmp/csi.sock", "CSI endpoint")
 	fs.Int64Var(&o.MaxConcurrentFormat, "max-concurrent-format", 2, "maximum number of concurrent format exec calls")
-	fs.Int64Var(&o.ConcurrentFormatTimeout, "concurrent-format-timeout", 100, "maximum time in seconds duration of a format operation before its concurrency token is released")
+	fs.Int64Var(&o.ConcurrentFormatTimeout, "concurrent-format-timeout", 300, "maximum time in seconds duration of a format operation before its concurrency token is released")
 
 	return fs
 }