diff --git a/components/script/timers.rs b/components/script/timers.rs
index 7f608f98f46..953a1abda78 100644
--- a/components/script/timers.rs
+++ b/components/script/timers.rs
@@ -359,6 +359,7 @@ impl ActiveTimers {
         };
 
         self.suspension_offset.set(self.suspension_offset.get() + additional_offset);
+        self.suspended_since.set(None);
 
         self.schedule_timer_call();
     }