diff --git a/p4src/static-mapping.p4 b/p4src/static-mapping.p4
index b3e543e..100ff92 100644
--- a/p4src/static-mapping.p4
+++ b/p4src/static-mapping.p4
@@ -85,7 +85,7 @@ control MyIngress(inout headers hdr,
         hdr.ipv4.protocol       = hdr.ipv6.next_header;
 
         if(hdr.ipv6.next_header == PROTO_ICMP6) {
-            nat64_icmp6;
+            nat64_icmp6();
         }
 
         hdr.ipv6.setInvalid();