diff --git a/pkg/handlers/config_test.go b/pkg/handlers/config_test.go
index 388c3c1a..7c74fcb5 100644
--- a/pkg/handlers/config_test.go
+++ b/pkg/handlers/config_test.go
@@ -43,6 +43,7 @@ func createExpectedBody(access_key string, secret_key string, cfg *types.Config)
 			"gpu_available":       false,
 			"interLink_available": false,
 			"yunikorn_enable":     false,
+			"oidc_groups":         nil,
 		},
 		"minio_provider": map[string]interface{}{
 			"endpoint":   cfg.MinIOProvider.Endpoint,
diff --git a/pkg/types/config.go b/pkg/types/config.go
index b871ba86..6ad0a3a9 100644
--- a/pkg/types/config.go
+++ b/pkg/types/config.go
@@ -183,7 +183,7 @@ type Config struct {
 	// OIDCGroups OpenID comma-separated group list to grant access in the cluster.
 	// Groups defined in the "eduperson_entitlement" OIDC scope,
 	// as described here: https://docs.egi.eu/providers/check-in/sp/#10-groups
-	OIDCGroups []string `json:"-"`
+	OIDCGroups []string `json:"oidc_groups"`
 
 	//
 	IngressHost string `json:"-"`