1 files changed, 2 insertions, 2 deletions
diff --git a/luni/src/main/java/java/security/KeyPairGenerator.java b/luni/src/main/java/java/security/KeyPairGenerator.java
index d5851fa..5c17d79 100644
--- a/luni/src/main/java/java/security/KeyPairGenerator.java
+++ b/luni/src/main/java/java/security/KeyPairGenerator.java
@@ -80,7 +80,7 @@ public abstract class KeyPairGenerator extends KeyPairGeneratorSpi {
     public static KeyPairGenerator getInstance(String algorithm)
             throws NoSuchAlgorithmException {
         if (algorithm == null) {
-            throw new NullPointerException();
+            throw new NullPointerException("algorithm == null");
         }
         Engine.SpiAndProvider sap = ENGINE.getInstance(algorithm, null);
         Object spi = sap.spi;
@@ -143,7 +143,7 @@ public abstract class KeyPairGenerator extends KeyPairGeneratorSpi {
             throw new IllegalArgumentException();
         }
         if (algorithm == null) {
-            throw new NullPointerException();
+            throw new NullPointerException("algorithm == null");
         }
         Object spi = ENGINE.getInstance(algorithm, provider, null);
         if (spi instanceof KeyPairGenerator) {