diff --git a/SubstrateCS/Source/Core/BlockTileTicks.cs b/SubstrateCS/Source/Core/BlockTileTicks.cs
index c9185f9..b592d56 100644
--- a/SubstrateCS/Source/Core/BlockTileTicks.cs
+++ b/SubstrateCS/Source/Core/BlockTileTicks.cs
@@ -70,7 +70,7 @@ namespace Substrate.Core
                 _tileTickTable[key] = te;
             }
             else {
-                te["Ticks"].ToTagInt().Data = tickValue;
+                te["t"].ToTagInt().Data = tickValue;
             }
         }