diff --git a/pkg/iam/auth_service.go b/pkg/iam/auth_service.go
index 2e7807ff4..f93dbc6d8 100644
--- a/pkg/iam/auth_service.go
+++ b/pkg/iam/auth_service.go
@@ -449,7 +449,7 @@ func (s AuthService) CreateIdentityWithPassword(
 	return identity, session, err
 }
 
-func (s AuthService) OpenSessionWithSAML(ctx context.Context, identityID gid.GID, organizationID gid.GID) (*coredata.Session, error) {
+func (s AuthService) OpenSessionWithSAML(ctx context.Context, identityID gid.GID) (*coredata.Session, error) {
 	session := &coredata.Session{}
 
 	err := s.pg.WithTx(
diff --git a/pkg/server/api/connect/v1/saml_handler.go b/pkg/server/api/connect/v1/saml_handler.go
index 9339341db..9a8383353 100644
--- a/pkg/server/api/connect/v1/saml_handler.go
+++ b/pkg/server/api/connect/v1/saml_handler.go
@@ -74,7 +74,7 @@ func (h *SAMLHandler) ConsumeHandler(w http.ResponseWriter, r *http.Request) {
 
 	switch {
 	case rootSession == nil:
-		rootSession, err = h.iam.AuthService.OpenSessionWithSAML(ctx, user.ID, membership.OrganizationID)
+		rootSession, err = h.iam.AuthService.OpenSessionWithSAML(ctx, user.ID)
 		if err != nil {
 			h.logger.ErrorCtx(ctx, "cannot open root session", log.Error(err))
 			h.renderInternalServerError(w, r)
@@ -88,7 +88,7 @@ func (h *SAMLHandler) ConsumeHandler(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		rootSession, err = h.iam.AuthService.OpenSessionWithSAML(ctx, user.ID, membership.OrganizationID)
+		rootSession, err = h.iam.AuthService.OpenSessionWithSAML(ctx, user.ID)
 		if err != nil {
 			h.logger.ErrorCtx(ctx, "cannot open root session", log.Error(err))
 			h.renderInternalServerError(w, r)