diff --git a/system/loongarch/vmem.c b/system/loongarch/vmem.c
index 29f8b24..8e70d47 100644
--- a/system/loongarch/vmem.c
+++ b/system/loongarch/vmem.c
@@ -29,7 +29,7 @@ extern uint8_t highest_map_bit;
 
 uintptr_t map_region(uintptr_t base_addr, size_t size __attribute__((unused)), bool only_for_startup __attribute__((unused)))
 {
-    if (((base_addr < 0x80000000) && (base_addr > 0x30000000)) || ((base_addr & PCI_IO_PERFIX) != 0x0)) {
+    if (((base_addr < 0x80000000) && (base_addr >= 0x30000000)) || ((base_addr & PCI_IO_PERFIX) != 0x0)) {
         return MMIO_BASE | base_addr;
     } else if ((base_addr < 0x20000000) && (base_addr > 0x10000000)) {
         return DMW0_BASE | base_addr;