1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/java/de/pixart/messenger/entities/Account.java b/src/main/java/de/pixart/messenger/entities/Account.java
index 1b349e526..fb1839d85 100644
--- a/src/main/java/de/pixart/messenger/entities/Account.java
+++ b/src/main/java/de/pixart/messenger/entities/Account.java
@@ -17,6 +17,7 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
+import java.util.Locale;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.CopyOnWriteArraySet;
 
@@ -489,7 +490,7 @@ public class Account extends AbstractEntity {
                 if (publicKey == null || !(publicKey instanceof DSAPublicKey)) {
                     return null;
                 }
-                this.otrFingerprint = new OtrCryptoEngineImpl().getFingerprint(publicKey);
+                this.otrFingerprint = new OtrCryptoEngineImpl().getFingerprint(publicKey).toLowerCase(Locale.US);
                 return this.otrFingerprint;
             } catch (final OtrCryptoException ignored) {
                 return null;