diff --git a/code/initialization/config.go b/code/initialization/config.go
index c6196b7a..7635432d 100644
--- a/code/initialization/config.go
+++ b/code/initialization/config.go
@@ -135,7 +135,8 @@ func (config *Config) GetKeyFile() string {
 func filterFormatKey(keys []string) []string {
 	var result []string
 	for _, key := range keys {
-		if strings.HasPrefix(key, "sk-") {
+		if strings.HasPrefix(key, "sk-") || strings.HasPrefix(key,
+			"fk") {
 			result = append(result, key)
 		}
 	}