diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/internal/BouncyCastleGpgKeyLocator.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/internal/BouncyCastleGpgKeyLocator.java
index 11db7c599..c662ada7c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/internal/BouncyCastleGpgKeyLocator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/internal/BouncyCastleGpgKeyLocator.java
@@ -202,7 +202,7 @@ private PGPPublicKey findPublicKeyByKeyId(KeyBlob keyBlob)
 			String fingerprint = Hex.toHexString(keyInfo.getFingerprint())
 					.toLowerCase(Locale.ROOT);
 			if (fingerprint.endsWith(keyId)) {
-				return getFirstPublicKey(keyBlob);
+				return getPublicKey(keyBlob, keyInfo.getFingerprint());
 			}
 		}
 		return null;
@@ -522,6 +522,12 @@ private PGPPublicKey getFirstPublicKey(KeyBlob keyBlob) throws IOException {
 				.getPublicKey();
 	}
 
+	private PGPPublicKey getPublicKey(KeyBlob blob, byte[] fingerprint)
+			throws IOException {
+		return ((PublicKeyRingBlob) blob).getPGPPublicKeyRing()
+				.getPublicKey(fingerprint);
+	}
+
 	private KeyBox readKeyBoxFile(Path keyboxFile) throws IOException,
 			NoSuchAlgorithmException, NoSuchProviderException,
 			NoOpenPgpKeyException {