diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
index 20e78d7fa..83c244d52 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/UncachedKeyRing.java
@@ -694,7 +694,7 @@ public class UncachedKeyRing {
         long masterKeyId = other.getMasterKeyId();
 
         if (getMasterKeyId() != masterKeyId
-                || Arrays.equals(getFingerprint(), other.getFingerprint())) {
+                || !Arrays.equals(getFingerprint(), other.getFingerprint())) {
             log.add(LogLevel.ERROR, LogType.MSG_MG_HETEROGENEOUS, indent);
             return null;
         }