diff --git a/exec.c b/exec.c
index 2874bb5..5162f0d 100644
--- a/exec.c
+++ b/exec.c
@@ -1127,7 +1127,7 @@
     int ret = 0;
 
     QTAILQ_FOREACH(wp, &cpu->watchpoints, entry) {
-        if (watchpoint_address_matches(wp, addr, TARGET_PAGE_SIZE)) {
+        if (watchpoint_address_matches(wp, addr, len)) {
             ret |= wp->flags;
         }
     }