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 ba18c63c2..474a28229 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
@@ -283,7 +283,7 @@ private void finishChangeNumberInternal(
                 (sessionId1, verificationCode1, registrationLock) -> {
                     final var registrationApi = dependencies.getRegistrationApi();
                     try {
-                        Utils.handleResponseException(registrationApi.verifyAccount(verificationCode1, sessionId1));
+                        Utils.handleResponseException(registrationApi.verifyAccount(sessionId1, verificationCode1));
                     } catch (AlreadyVerifiedException e) {
                         // Already verified so can continue changing number
                     }
diff --git a/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java b/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java
index eaaba787c..543d9a99b 100644
--- a/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java
+++ b/lib/src/main/java/org/asamk/signal/manager/internal/RegistrationManagerImpl.java
@@ -258,7 +258,7 @@ private VerifyAccountResponse verifyAccountWithCode(
     ) throws IOException {
         final var registrationApi = unauthenticatedAccountManager.getRegistrationApi();
         try {
-            Utils.handleResponseException(registrationApi.verifyAccount(verificationCode, sessionId));
+            Utils.handleResponseException(registrationApi.verifyAccount(sessionId, verificationCode));
         } catch (AlreadyVerifiedException e) {
             // Already verified so can continue registering
         }