diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 55fea367f..bf0f5ae23 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -4938,7 +4938,7 @@ void TryRunTics(tic_t realtics)
 				consistancy[gametic%BACKUPTICS] = Consistancy();
 
 				// Leave a certain amount of tics present in the net buffer as long as we've ran at least one tic this frame.
-				if (gamestate == GS_LEVEL && leveltime > 3 && neededtic <= gametic + cv_netticbuffer.value)
+				if (client && gamestate == GS_LEVEL && leveltime > 3 && neededtic <= gametic + cv_netticbuffer.value)
 					break;
 			}
 	}