1 files changed, 2 insertions, 2 deletions
diff --git a/src/filters.h b/src/filters.h
index e7a2eefa..d207d842 100644
--- a/src/filters.h
+++ b/src/filters.h
@@ -732,8 +732,8 @@ public:
 
   virtual void flush() {
     if (last_post && interval.duration) {
-      if (interval.is_valid())
-        report_subtotal(interval);
+      if (last_interval && interval != last_interval)
+        report_subtotal(last_interval);
       subtotal_posts::flush();
     }
   }