diff --git a/src/main/java/org/conscrypt/OpenSSLCipher.java b/src/main/java/org/conscrypt/OpenSSLCipher.java
index 305f174..571c8cb 100644
--- a/src/main/java/org/conscrypt/OpenSSLCipher.java
+++ b/src/main/java/org/conscrypt/OpenSSLCipher.java
@@ -1059,6 +1059,7 @@
                 byte[] newaad = new byte[newSize];
                 System.arraycopy(aad, 0, newaad, 0, aad.length);
                 System.arraycopy(input, inputOffset, newaad, aad.length, inputLen);
+                aad = newaad;
             }
         }