diff --git a/demboyz/netmessages/svc_packetentities.cpp b/demboyz/netmessages/svc_packetentities.cpp
index 2394be0..c2e6a77 100644
--- a/demboyz/netmessages/svc_packetentities.cpp
+++ b/demboyz/netmessages/svc_packetentities.cpp
@@ -32,8 +32,13 @@ namespace NetHandlers
         bitbuf.WriteUBitLong(data->maxEntries, MAX_EDICT_BITS);
         if (data->isDelta)
         {
+            bitbuf.WriteOneBit(1);
             bitbuf.WriteLong(data->deltaFromTick);
         }
+        else
+        {
+            bitbuf.WriteOneBit(0);
+        }
         bitbuf.WriteUBitLong(data->baselineIndex, 1);
         bitbuf.WriteUBitLong(data->numUpdatedEntries, MAX_EDICT_BITS);
         bitbuf.WriteUBitLong(data->dataLengthInBits, DELTASIZE_BITS);