diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index c994a72634..ce7322011d 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -1223,7 +1223,7 @@ hwaddr riscv_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
 
     if (env->virt_enabled) {
         if (get_physical_address(env, &phys_addr, &prot, phys_addr, NULL,
-                                 0, mmu_idx, false, true, true)) {
+                                 0, MMUIdx_U, false, true, true)) {
             return -1;
         }
     }