diff --git a/qemu/target/m68k/helper.c b/qemu/target/m68k/helper.c
index 301fba89..ff746062 100644
--- a/qemu/target/m68k/helper.c
+++ b/qemu/target/m68k/helper.c
@@ -467,10 +467,14 @@ hwaddr m68k_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
     if (env->sr & SR_S) {
         access_type |= ACCESS_SUPER;
     }
+
     if (get_physical_address(env, &phys_addr, &prot,
                              addr, access_type, &page_size) != 0) {
         return -1;
     }
+
+    addr &= TARGET_PAGE_MASK;
+    phys_addr += addr & (page_size - 1);
     return phys_addr;
 }