diff --git a/lib/src/main/java/org/asamk/signal/manager/helper/AccountHelper.java b/lib/src/main/java/org/asamk/signal/manager/helper/AccountHelper.java
index 573d2077..518ce28f 100644
--- a/lib/src/main/java/org/asamk/signal/manager/helper/AccountHelper.java
+++ b/lib/src/main/java/org/asamk/signal/manager/helper/AccountHelper.java
@@ -315,6 +315,7 @@ public class AccountHelper {
                             Utils.mapKeys(pniRegistrationIds, Object::toString))));
                 });
 
+        account.clearSessionId();
         final var updatePni = PNI.parseOrThrow(result.first().getPni());
         if (updatePni.equals(account.getPni())) {
             logger.debug("PNI is unchanged after change number");
diff --git a/lib/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java b/lib/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java
index 83040906..a797ce10 100644
--- a/lib/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java
+++ b/lib/src/main/java/org/asamk/signal/manager/storage/SignalAccount.java
@@ -376,6 +376,7 @@ public class SignalAccount implements Closeable {
         trustSelfIdentity(ServiceIdType.ACI);
         trustSelfIdentity(ServiceIdType.PNI);
         getKeyValueStore().storeEntry(lastRecipientsRefresh, null);
+        clearSessionId();
     }
 
     public void initDatabase() {
@@ -1485,6 +1486,12 @@ public class SignalAccount implements Closeable {
         keyValueStore.storeEntry(verificationSessionId, sessionId);
     }
 
+    public void clearSessionId() {
+        final var keyValueStore = getKeyValueStore();
+        keyValueStore.storeEntry(verificationSessionNumber, null);
+        keyValueStore.storeEntry(verificationSessionId, null);
+    }
+
     public void setEncryptedDeviceName(final String encryptedDeviceName) {
         this.encryptedDeviceName = encryptedDeviceName;
         save();