diff --git a/plugins/simpleadminhacks-paper/src/main/java/com/programmerdan/minecraft/simpleadminhacks/hacks/basic/AntiDerailment.java b/plugins/simpleadminhacks-paper/src/main/java/com/programmerdan/minecraft/simpleadminhacks/hacks/basic/AntiDerailment.java
index 087d7cd5a..c7a7828de 100644
--- a/plugins/simpleadminhacks-paper/src/main/java/com/programmerdan/minecraft/simpleadminhacks/hacks/basic/AntiDerailment.java
+++ b/plugins/simpleadminhacks-paper/src/main/java/com/programmerdan/minecraft/simpleadminhacks/hacks/basic/AntiDerailment.java
@@ -66,7 +66,7 @@ public class AntiDerailment extends BasicHack {
 			return;
 		}
 
-		if (minecart.getMaxSpeed() == 0.4D) {
+		if (minecart.getMaxSpeed() == 0.4D || !previousTickMinecartVelocity.containsKey(minecart)) {
 			previousTickMinecartVelocity.put(minecart, minecart.getVelocity());
 			return;
 		}