diff --git a/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java b/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java
index a9a0267f3..b6a27a7c8 100644
--- a/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java
+++ b/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java
@@ -51,6 +51,7 @@ public class NativeVelocityCipher implements VelocityCipher {
   @Override
   public ByteBuf process(ChannelHandlerContext ctx, ByteBuf source) throws ShortBufferException {
     ensureNotDisposed();
+    source.memoryAddress(); // sanity check
 
     int len = source.readableBytes();
     ByteBuf out = ctx.alloc().directBuffer(len);