diff --git a/core/src/main/java/org/wildfly/channel/spi/SignatureValidator.java b/core/src/main/java/org/wildfly/channel/spi/SignatureValidator.java
index 4a1da13f..e4dec0df 100644
--- a/core/src/main/java/org/wildfly/channel/spi/SignatureValidator.java
+++ b/core/src/main/java/org/wildfly/channel/spi/SignatureValidator.java
@@ -48,6 +48,13 @@ SignatureResult validateSignature(ArtifactIdentifier artifactId, InputStream art
      */
     class SignatureException extends RuntimeException {
         private final SignatureResult signatureResult;
+        private String missingSignature;
+
+        public SignatureException(String message, Throwable cause, SignatureResult signatureResult, String missingSignature) {
+            super(message, cause);
+            this.signatureResult = signatureResult;
+            this.missingSignature = missingSignature;
+        }
 
         public SignatureException(String message, Throwable cause, SignatureResult signatureResult) {
             super(message, cause);
@@ -62,5 +69,9 @@ public SignatureException(String message, SignatureResult signatureResult) {
         public SignatureResult getSignatureResult() {
             return signatureResult;
         }
+
+        public String getMissingSignature() {
+            return missingSignature;
+        }
     }
 }
diff --git a/gpg-validator/src/main/java/org/wildfly/channel/gpg/GpgSignatureValidator.java b/gpg-validator/src/main/java/org/wildfly/channel/gpg/GpgSignatureValidator.java
index 889c7dfa..659ad312 100644
--- a/gpg-validator/src/main/java/org/wildfly/channel/gpg/GpgSignatureValidator.java
+++ b/gpg-validator/src/main/java/org/wildfly/channel/gpg/GpgSignatureValidator.java
@@ -134,7 +134,7 @@ public SignatureResult validateSignature(ArtifactIdentifier artifactId, InputStr
                 }
             } catch (PGPException | IOException e) {
                 throw new SignatureException("Unable to parse the certificate downloaded from keyserver", e,
-                        SignatureResult.noSignature(artifactId));
+                        SignatureResult.noSignature(artifactId), keyID);
             }
 
             if (key == null) {
@@ -146,7 +146,7 @@ public SignatureResult validateSignature(ArtifactIdentifier artifactId, InputStr
                         pgpPublicKeys = downloadPublicKey(gpgUrl);
                     } catch (IOException e) {
                         throw new SignatureException("Unable to parse the certificate downloaded from " + gpgUrl, e,
-                                SignatureResult.noSignature(artifactId));
+                                SignatureResult.noSignature(artifactId), Long.toHexString(pgpSignature.getKeyID()).toUpperCase(Locale.ROOT));
                     }
                     if (pgpPublicKeys.stream().anyMatch(k -> k.getKeyID() == pgpSignature.getKeyID())) {
                         key = pgpPublicKeys.stream().filter(k -> k.getKeyID() == pgpSignature.getKeyID()).findFirst().get();
@@ -193,7 +193,7 @@ public SignatureResult validateSignature(ArtifactIdentifier artifactId, InputStr
             pgpSignature.init(new BcPGPContentVerifierBuilderProvider(), publicKey);
         } catch (PGPException e) {
             throw new SignatureException("Unable to verify the signature using key " + keyID, e,
-                    SignatureResult.invalid(artifactId));
+                    SignatureResult.invalid(artifactId), keyID);
         }
         final SignatureResult result = verifyFile(artifactId, artifactStream, pgpSignature);
 
@@ -291,7 +291,7 @@ private static SignatureResult verifyFile(ArtifactIdentifier artifactSource, Inp
             }
         } catch (PGPException e) {
             throw new SignatureException("Unable to verify the file signature", e,
-                    SignatureResult.invalid(artifactSource));
+                    SignatureResult.invalid(artifactSource), Long.toHexString(pgpSignature.getKeyID()).toUpperCase(Locale.ROOT));
         }
     }