diff --git a/net/icmp/icmp_input.c b/net/icmp/icmp_input.c
index 2bb83f3449e..1c9bf88bada 100644
--- a/net/icmp/icmp_input.c
+++ b/net/icmp/icmp_input.c
@@ -128,6 +128,7 @@ static uint16_t icmp_datahandler(FAR struct net_driver_s *dev,
 
   net_ipv4addr_copy(inaddr.sin_addr.s_addr,
                     net_ip4addr_conv32(ipv4->srcipaddr));
+  memset(inaddr.sin_zero, 0, sizeof(inaddr.sin_zero));
 
   /* Copy the src address info into the I/O buffer chain.  We will not wait
    * for an I/O buffer to become available in this context.  It there is