1 files changed, 1 insertions, 1 deletions
diff --git a/monitor.c b/monitor.c
index b1ea262e8b..690c152d0b 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1445,7 +1445,7 @@ static void do_sum(Monitor *mon, const QDict *qdict)
 
     sum = 0;
     for(addr = start; addr < (start + size); addr++) {
-        uint8_t val = ldub_phys(addr);
+        uint8_t val = ldub_phys(&address_space_memory, addr);
         /* BSD sum algorithm ('sum' Unix command) */
         sum = (sum >> 1) | (sum << 15);
         sum += val;