1 files changed, 1 insertions, 1 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/ec/ECElGamalDecryptor.java b/bcprov/src/main/java/org/bouncycastle/crypto/ec/ECElGamalDecryptor.java
index 19c0beb7..2f1c9374 100644
--- a/bcprov/src/main/java/org/bouncycastle/crypto/ec/ECElGamalDecryptor.java
+++ b/bcprov/src/main/java/org/bouncycastle/crypto/ec/ECElGamalDecryptor.java
@@ -43,6 +43,6 @@ public class ECElGamalDecryptor
 
         ECPoint tmp = pair.getX().multiply(key.getD());
 
-        return pair.getY().add(tmp.negate()).normalize();
+        return pair.getY().subtract(tmp).normalize();
     }
 }