diff --git a/demboyz/game/logic.cpp b/demboyz/game/logic.cpp
index 8f42d44..70ef614 100644
--- a/demboyz/game/logic.cpp
+++ b/demboyz/game/logic.cpp
@@ -58,7 +58,7 @@ void Logic::Finish(bool dirty)
     if (dirty)
     {
         data["demoheader"]["playback_ticks"] = curTick;
-        data["demoheader"]["playback_time"] = curTick * context->fTickRate;
+        data["demoheader"]["playback_time"] = curTick * context->fTickInterval;
         data["demoheader"]["playback_frames"] = context->curFrame;
     }