diff --git a/fs/configmap.go b/fs/configmap.go
index 4155f830d..6f5ba5d52 100644
--- a/fs/configmap.go
+++ b/fs/configmap.go
@@ -64,7 +64,7 @@ type regInfoValues struct {
 // the default values
 func (r *regInfoValues) Get(key string) (value string, ok bool) {
 	opt := r.options.Get(key)
-	if opt != nil && (r.useDefault || opt.Value != nil) {
+	if opt != nil && (r.useDefault || !opt.IsDefault()) {
 		return opt.String(), true
 	}
 	return "", false
diff --git a/fs/registry.go b/fs/registry.go
index 2c46194cb..d0799331f 100644
--- a/fs/registry.go
+++ b/fs/registry.go
@@ -244,6 +244,18 @@ func (o *Option) GetValue() interface{} {
 	return val
 }
 
+// IsDefault returns true if the value is the default value
+func (o *Option) IsDefault() bool {
+	if o.Value == nil {
+		return true
+	}
+	Default := o.Default
+	if Default == nil {
+		Default = ""
+	}
+	return reflect.DeepEqual(o.Value, Default)
+}
+
 // String turns Option into a string
 func (o *Option) String() string {
 	v := o.GetValue()