diff --git a/cache/src/main/java/net/runelite/cache/definitions/ObjectDefinition.java b/cache/src/main/java/net/runelite/cache/definitions/ObjectDefinition.java
index 38e00dc672..503da29002 100644
--- a/cache/src/main/java/net/runelite/cache/definitions/ObjectDefinition.java
+++ b/cache/src/main/java/net/runelite/cache/definitions/ObjectDefinition.java
@@ -75,5 +75,6 @@ public class ObjectDefinition
 	private int anInt2112 = 0;
 	private int anInt2113 = 0;
 	private boolean blocksProjectile = true;
+	private boolean randomizeAnimStart;
 	private Map<Integer, Object> params = null;
 }
diff --git a/cache/src/main/java/net/runelite/cache/definitions/loaders/ObjectLoader.java b/cache/src/main/java/net/runelite/cache/definitions/loaders/ObjectLoader.java
index 0857e2e99f..0f78b59999 100644
--- a/cache/src/main/java/net/runelite/cache/definitions/loaders/ObjectLoader.java
+++ b/cache/src/main/java/net/runelite/cache/definitions/loaders/ObjectLoader.java
@@ -306,6 +306,10 @@ public class ObjectLoader
 		{
 			def.setMapAreaId(is.readUnsignedShort());
 		}
+		else if (opcode == 89)
+		{
+			def.setRandomizeAnimStart(true);
+		}
 		else if (opcode == 92)
 		{
 			int varpID = is.readUnsignedShort();