diff --git a/engine/client/cl_main.c b/engine/client/cl_main.c
index 73039f056..b1d9859fb 100644
--- a/engine/client/cl_main.c
+++ b/engine/client/cl_main.c
@@ -2640,7 +2640,7 @@ void Host_Frame (float time)
 #endif
 
 	if (cls.demoplayback && cl_demospeed.value>0)
-		time *= cl_demospeed.value;
+		realframetime *= cl_demospeed.value; // this probably screws up other timings
 
 #ifndef CLIENTONLY
 	RSpeedRemark();