diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 4b78b6528f9f..5defa5cc4c2b 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -585,8 +585,10 @@ static int mtk_pcie_init_irq_domain(struct mtk_pcie_port *port,
 
 	if (IS_ENABLED(CONFIG_PCI_MSI)) {
 		ret = mtk_pcie_allocate_msi_domains(port);
-		if (ret)
+		if (ret) {
+			irq_domain_remove(port->irq_domain);
 			return ret;
+		}
 	}
 
 	return 0;