diff --git a/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/FingerprintObservable.java b/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/FingerprintObservable.java
index 9a5c574..c69e6f3 100644
--- a/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/FingerprintObservable.java
+++ b/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/FingerprintObservable.java
@@ -86,7 +86,7 @@ private AuthenticationCallback createAuthenticationCallback(final ObservableEmit
 			@Override
 			public void onAuthenticationError(int errMsgId, CharSequence errString) {
 				if (!emitter.isDisposed()) {
-					emitter.onError(new FingerprintAuthenticationException(errString));
+					emitter.onError(new FingerprintAuthenticationException(errMsgId, errString));
 				}
 			}
 
diff --git a/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/data/FingerprintAuthenticationException.java b/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/data/FingerprintAuthenticationException.java
index 438a05c..1917c70 100644
--- a/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/data/FingerprintAuthenticationException.java
+++ b/rxfingerprint/src/main/java/com/mtramin/rxfingerprint/data/FingerprintAuthenticationException.java
@@ -22,16 +22,22 @@
 public class FingerprintAuthenticationException extends Exception {
 
     private final String message;
+    private final int errMsgId;
 
     /**
      * Creates exception that occurs during fingerprint authentication with message
      *
      * @param errString message of exception
      */
-    public FingerprintAuthenticationException(CharSequence errString) {
+    public FingerprintAuthenticationException(int errMsgId, CharSequence errString) {
+        this.errMsgId = errMsgId;
         message = errString.toString();
     }
 
+    public int getErrMsgId() {
+        return errMsgId;
+    }
+    
     @Override
     public String getMessage() {
         return message;