diff --git a/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java b/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java
index 5a0d5eeb..1a51bf97 100644
--- a/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java
+++ b/connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java
@@ -595,7 +595,9 @@ public class GeyserSession implements CommandSender {
             }
         }
 
-        tickThread.cancel(true);
+        if (tickThread != null) {
+            tickThread.cancel(true);
+        }
 
         this.chunkCache = null;
         this.entityCache = null;