diff --git a/smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/chat/OpenPgpContact.java b/smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/chat/OpenPgpContact.java
index 0202c0731..368136425 100644
--- a/smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/chat/OpenPgpContact.java
+++ b/smack-openpgp/src/main/java/org/jivesoftware/smackx/ox/chat/OpenPgpContact.java
@@ -58,7 +58,7 @@ public class OpenPgpContact {
                           OpenPgpFingerprints contactsFingerprints) {
         this.cryptoProvider = cryptoProvider;
         this.jid = jid;
-        this.singingKey = ourFingerprints.getActiveKeys().iterator().next();
+        this.singingKey = cryptoProvider.getStore().getPrimaryOpenPgpKeyPairFingerprint();
         this.ourFingerprints = ourFingerprints;
         this.contactsFingerprints = contactsFingerprints;
     }