diff --git a/server/util.go b/server/util.go
index b8d06b4d741f..d247a4e7f23a 100644
--- a/server/util.go
+++ b/server/util.go
@@ -244,7 +244,7 @@ func interceptConfigs(rootViper *viper.Viper, customAppTemplate string, customCo
 		if customAppTemplate != "" {
 			config.SetConfigTemplate(customAppTemplate)
 
-			if err = rootViper.Unmarshal(&customConfig); err != nil {
+			if err = rootViper.Unmarshal(customConfig); err != nil {
 				return nil, fmt.Errorf("failed to parse %s: %w", appCfgFilePath, err)
 			}