diff --git a/zk-token-sdk/src/encryption/elgamal.rs b/zk-token-sdk/src/encryption/elgamal.rs
index fcf6531ccb..0920e65ecb 100644
--- a/zk-token-sdk/src/encryption/elgamal.rs
+++ b/zk-token-sdk/src/encryption/elgamal.rs
@@ -128,6 +128,7 @@ impl ElGamal {
 }
 
 /// A (twisted) ElGamal encryption keypair.
+#[derive(PartialEq)]
 pub struct ElGamalKeypair {
     /// The public half of this keypair.
     pub public: ElGamalPubkey,