diff --git a/routers/web/admin/auths.go b/routers/web/admin/auths.go
index 338a54c5dd..20f364739e 100644
--- a/routers/web/admin/auths.go
+++ b/routers/web/admin/auths.go
@@ -192,6 +192,9 @@ func parseOAuth2Config(form forms.AuthenticationForm) *oauth2.Source {
 		RequiredClaimName:             form.Oauth2RequiredClaimName,
 		RequiredClaimValue:            form.Oauth2RequiredClaimValue,
 		SkipLocalTwoFA:                form.SkipLocalTwoFA,
+		GroupClaimName:                form.Oauth2GroupClaimName,
+		RestrictedGroup:               form.Oauth2RestrictedGroup,
+		AdminGroup:                    form.Oauth2AdminGroup,
 	}
 }
 
diff --git a/routers/web/auth/oauth.go b/routers/web/auth/oauth.go
index fa2b0aa65f..dbd1756348 100644
--- a/routers/web/auth/oauth.go
+++ b/routers/web/auth/oauth.go
@@ -904,6 +904,10 @@ func claimValueToStringSlice(claimValue interface{}) []string {
 	switch rawGroup := claimValue.(type) {
 	case []string:
 		groups = rawGroup
+	case []interface{}:
+		for _, group := range rawGroup {
+			groups = append(groups, fmt.Sprintf("%s", group))
+		}
 	default:
 		str := fmt.Sprintf("%s", rawGroup)
 		groups = strings.Split(str, ",")