1 files changed, 3 insertions, 0 deletions
diff --git a/tunnel/src/main/java/com/wireguard/crypto/KeyFormatException.java b/tunnel/src/main/java/com/wireguard/crypto/KeyFormatException.java
index 5818b4d4..8608fc36 100644
--- a/tunnel/src/main/java/com/wireguard/crypto/KeyFormatException.java
+++ b/tunnel/src/main/java/com/wireguard/crypto/KeyFormatException.java
@@ -5,11 +5,14 @@
 
 package com.wireguard.crypto;
 
+import com.wireguard.util.NonNullForAll;
+
 /**
  * An exception thrown when attempting to parse an invalid key (too short, too long, or byte
  * data inappropriate for the format). The format being parsed can be accessed with the
  * {@link #getFormat} method.
  */
+@NonNullForAll
 public final class KeyFormatException extends Exception {
     private final Key.Format format;
     private final Type type;