diff --git a/router/java/src/net/i2p/router/transport/crypto/DHSessionKeyBuilder.java b/router/java/src/net/i2p/router/transport/crypto/DHSessionKeyBuilder.java
index 1b09e2d62..c49a4cf41 100644
--- a/router/java/src/net/i2p/router/transport/crypto/DHSessionKeyBuilder.java
+++ b/router/java/src/net/i2p/router/transport/crypto/DHSessionKeyBuilder.java
@@ -598,5 +598,9 @@ public class DHSessionKeyBuilder {
         public InvalidPublicParameterException(String msg) {
             super(msg);
         }
+        /** @since 0.9.35 */
+        public InvalidPublicParameterException(String msg, Throwable t) {
+            super(msg, t);
+        }
     }
 }