diff --git a/p4src/netpfga_dummy.p4 b/p4src/netpfga_dummy.p4
index 5e68dac..26c1d97 100644
--- a/p4src/netpfga_dummy.p4
+++ b/p4src/netpfga_dummy.p4
@@ -17,7 +17,7 @@ action select_port_by_type() {
 
     */
 
-    sume_metadata.dst_port = hdr.ethernet.ethertype >> 11;
+    sume_metadata.dst_port = (bit<8>) hdr.ethernet.ethertype >> 11;
 }