diff --git a/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java b/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java
index 9922ca57..c9051335 100644
--- a/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java
+++ b/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java
@@ -585,7 +585,9 @@ public class SignalAccount implements Closeable {
 
     @Override
     public void close() throws IOException {
-        save();
+        if (fileChannel.isOpen()) {
+            save();
+        }
         synchronized (fileChannel) {
             try {
                 lock.close();