diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index 8ca31e5162..f28609976b 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -240,10 +240,7 @@ static void vt82c686b_southbridge_init(PCIBus *pci_bus, int slot, qemu_irq intc,
     PCIDevice *dev;
 
     isa_bus = vt82c686b_isa_init(pci_bus, PCI_DEVFN(slot, 0));
-    if (!isa_bus) {
-        fprintf(stderr, "vt82c686b_init error\n");
-        exit(1);
-    }
+    assert(isa_bus);
     *p_isa_bus = isa_bus;
     /* Interrupt controller */
     /* The 8259 -> IP5  */