1 files changed, 2 insertions, 1 deletions
diff --git a/src/main/java/eu/siacs/conversations/entities/Account.java b/src/main/java/eu/siacs/conversations/entities/Account.java
index 77828b03..e0bb6d1d 100644
--- a/src/main/java/eu/siacs/conversations/entities/Account.java
+++ b/src/main/java/eu/siacs/conversations/entities/Account.java
@@ -19,6 +19,7 @@ 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;