1 files changed, 1 insertions, 1 deletions
diff --git a/luni/src/main/java/org/apache/harmony/security/provider/crypto/SHA1withDSA_SignatureImpl.java b/luni/src/main/java/org/apache/harmony/security/provider/crypto/SHA1withDSA_SignatureImpl.java
index d2a9c6d..2958e00 100644
--- a/luni/src/main/java/org/apache/harmony/security/provider/crypto/SHA1withDSA_SignatureImpl.java
+++ b/luni/src/main/java/org/apache/harmony/security/provider/crypto/SHA1withDSA_SignatureImpl.java
@@ -57,7 +57,7 @@ public class SHA1withDSA_SignatureImpl extends Signature {
     protected Object engineGetParameter(String param)
             throws InvalidParameterException {
         if (param == null) {
-            throw new NullPointerException();
+            throw new NullPointerException("param == null");
         }
         return null;
     }