diff --git a/src/main/java/me/youhavetrouble/standin/entity/EntityHandler.java b/src/main/java/me/youhavetrouble/standin/entity/EntityHandler.java
index f77963a..9963365 100644
--- a/src/main/java/me/youhavetrouble/standin/entity/EntityHandler.java
+++ b/src/main/java/me/youhavetrouble/standin/entity/EntityHandler.java
@@ -117,6 +117,7 @@ public abstract class EntityHandler<E extends Entity> {
                     if (foundConverter == null) return;
                     Entity converted = foundConverter.spawn(existing);
                     if (converted == null) return;
+                    if (!converted.isInWorld()) return;
                     existing.remove();
                 }, ClickCallback.Options.builder().lifetime(Duration.ofHours(1)).uses(1).build())
         ).build();