diff --git a/src/main/java/com/samczsun/skype4j/internal/threads/AuthenticationChecker.java b/src/main/java/com/samczsun/skype4j/internal/threads/AuthenticationChecker.java
index e566766..0f6915e 100644
--- a/src/main/java/com/samczsun/skype4j/internal/threads/AuthenticationChecker.java
+++ b/src/main/java/com/samczsun/skype4j/internal/threads/AuthenticationChecker.java
@@ -64,5 +64,6 @@ public void run() {
 
     public void kill() {
         this.stop.set(true);
+        this.interrupt();
     }
 }