diff --git a/src/zm_videostore.cpp b/src/zm_videostore.cpp
index aee5ddb992..c44d0367a2 100644
--- a/src/zm_videostore.cpp
+++ b/src/zm_videostore.cpp
@@ -151,7 +151,11 @@ bool VideoStore::open() {
       reorder_queue_size = std::stoul(entry->value);
       // remove it to prevent complaining later.
       av_dict_set(&opts, "reorder_queue_size", nullptr, AV_DICT_MATCH_CASE);
-    } else if (monitor->has_out_of_order_packets() and !monitor->WallClockTimestamps()) {
+    } else if (monitor->has_out_of_order_packets()
+        and !monitor->WallClockTimestamps()
+        // Only sort packets for passthrough. Encoding uses wallclock by default
+        and monitor->GetOptVideoWriter() == Monitor::PASSTHROUGH
+        ) {
       reorder_queue_size = 2*monitor->get_max_keyframe_interval();
     }
     Debug(1, "reorder_queue_size set to %zu", reorder_queue_size);