diff --git a/service/src/main/java/org/whispersystems/textsecuregcm/storage/AccountsManager.java b/service/src/main/java/org/whispersystems/textsecuregcm/storage/AccountsManager.java
index 446ab5787..7966f9827 100644
--- a/service/src/main/java/org/whispersystems/textsecuregcm/storage/AccountsManager.java
+++ b/service/src/main/java/org/whispersystems/textsecuregcm/storage/AccountsManager.java
@@ -460,6 +460,12 @@ public class AccountsManager {
     }
 
     try {
+      if (databaseAccount.getMasterDevice().isPresent() && dynamoAccount.getMasterDevice().isPresent()) {
+        if (!Objects.equals(databaseAccount.getMasterDevice().get().getSignedPreKey(), dynamoAccount.getMasterDevice().get().getSignedPreKey())) {
+          return Optional.of("masterDeviceSignedPreKey");
+        }
+      }
+
       if (!serializedEquals(databaseAccount.getDevices(), dynamoAccount.getDevices())) {
         return Optional.of("devices");
       }
@@ -472,10 +478,6 @@ public class AccountsManager {
       throw new RuntimeException(e);
     }
 
-    if (databaseAccount.getDynamoDbMigrationVersion() != dynamoAccount.getDynamoDbMigrationVersion()) {
-      return Optional.of("migrationVersion");
-    }
-
     return Optional.empty();
   }
 
diff --git a/service/src/test/java/org/whispersystems/textsecuregcm/tests/storage/AccountsManagerTest.java b/service/src/test/java/org/whispersystems/textsecuregcm/tests/storage/AccountsManagerTest.java
index d860da5a3..e795eac9c 100644
--- a/service/src/test/java/org/whispersystems/textsecuregcm/tests/storage/AccountsManagerTest.java
+++ b/service/src/test/java/org/whispersystems/textsecuregcm/tests/storage/AccountsManagerTest.java
@@ -32,6 +32,7 @@ import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;
 import org.whispersystems.textsecuregcm.configuration.dynamic.DynamicAccountsDynamoDbMigrationConfiguration;
 import org.whispersystems.textsecuregcm.configuration.dynamic.DynamicConfiguration;
+import org.whispersystems.textsecuregcm.entities.SignedPreKey;
 import org.whispersystems.textsecuregcm.experiment.ExperimentEnrollmentManager;
 import org.whispersystems.textsecuregcm.redis.FaultTolerantRedisCluster;
 import org.whispersystems.textsecuregcm.securebackup.SecureBackupClient;
@@ -433,6 +434,11 @@ class AccountsManagerTest {
 
       assertEquals(Optional.of("devices"), accountsManager.compareAccounts(Optional.of(a1), Optional.of(a2)));
 
+      device1.setSignedPreKey(new SignedPreKey(1L, "123", "456"));
+      device2.setSignedPreKey(new SignedPreKey(2L, "123", "456"));
+
+      assertEquals(Optional.of("masterDeviceSignedPreKey"), accountsManager.compareAccounts(Optional.of(a1), Optional.of(a2)));
+
       a1.removeDevice(1L);
       a2.removeDevice(1L);
 
@@ -443,7 +449,7 @@ class AccountsManagerTest {
 
     a1.setDynamoDbMigrationVersion(1);
 
-    assertEquals(Optional.of("migrationVersion"), accountsManager.compareAccounts(Optional.of(a1), Optional.of(a2)));
+    assertEquals(Optional.empty(), accountsManager.compareAccounts(Optional.of(a1), Optional.of(a2)));
 
     a2.setProfileName("name");