diff --git a/src/main/java/net/minecraft/entity/EntityTracker.java b/src/main/java/net/minecraft/entity/EntityTracker.java
index 0fb2f65..05f03d9 100644
--- a/src/main/java/net/minecraft/entity/EntityTracker.java
+++ b/src/main/java/net/minecraft/entity/EntityTracker.java
@@ -203,6 +203,7 @@
 		}
 		catch (Throwable throwable)
 		{
+			p_72785_1_.setDead(); //kill duplicated entity
 			CrashReport crashreport = CrashReport.makeCrashReport(throwable, "Adding entity to track");
 			CrashReportCategory crashreportcategory = crashreport.makeCategory("Entity To Track");
 			crashreportcategory.addCrashSection("Tracking range", p_72785_2_ + " blocks");