diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
index 869debd30a..df58fb73ba 100644
--- a/target/s390x/mmu_helper.c
+++ b/target/s390x/mmu_helper.c
@@ -510,7 +510,7 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf,
 
     ret = translate_pages(cpu, laddr, nr_pages, pages, is_write, &tec);
     if (ret) {
-        trigger_access_exception(&cpu->env, ret, ILEN_AUTO, tec);
+        trigger_access_exception(&cpu->env, ret, ILEN_UNWIND, tec);
     } else if (hostbuf != NULL) {
         /* Copy data by stepping through the area page by page */
         for (i = 0; i < nr_pages; i++) {