diff --git a/framework/src/android/net/NattKeepalivePacketData.java b/framework/src/android/net/NattKeepalivePacketData.java
index a524859..9e6d80d 100644
--- a/framework/src/android/net/NattKeepalivePacketData.java
+++ b/framework/src/android/net/NattKeepalivePacketData.java
@@ -74,7 +74,7 @@
         if (srcAddr instanceof Inet4Address && dstAddr instanceof Inet4Address) {
             return nattKeepalivePacketv4(
                     (Inet4Address) srcAddr, srcPort, (Inet4Address) dstAddr, dstPort);
-        } else if (srcAddr instanceof Inet6Address && dstAddress instanceof Inet6Address) {
+        } else if (srcAddr instanceof Inet6Address && dstAddr instanceof Inet6Address) {
             return nattKeepalivePacketv6(
                     (Inet6Address) srcAddr, srcPort, (Inet6Address) dstAddr, dstPort);
         } else {