diff --git a/lib/cnet/protosw/cnet_protosw.c b/lib/cnet/protosw/cnet_protosw.c
index 10da9d0e..0a9f17bc 100644
--- a/lib/cnet/protosw/cnet_protosw.c
+++ b/lib/cnet/protosw/cnet_protosw.c
@@ -35,7 +35,7 @@ cnet_protosw_match(uint16_t domain, uint16_t type, uint16_t proto)
 }
 
 struct protosw_entry *
-cnet_protosw_find(uint16_t domain, uint16_t type, uint16_t proto)
+cnet_protosw_find(int domain, int type, int proto)
 {
     struct protosw_entry *p;
 
diff --git a/lib/cnet/protosw/cnet_protosw.h b/lib/cnet/protosw/cnet_protosw.h
index 6d0842dd..3217064e 100644
--- a/lib/cnet/protosw/cnet_protosw.h
+++ b/lib/cnet/protosw/cnet_protosw.h
@@ -96,7 +96,7 @@ CNDP_API struct protosw_entry *cnet_protosw_add(const char *name, uint16_t domai
  * @return
  *   NULL on error or a pointer to a protocol switch entry.
  */
-CNDP_API struct protosw_entry *cnet_protosw_find(uint16_t domain, uint16_t type, uint16_t proto);
+CNDP_API struct protosw_entry *cnet_protosw_find(int domain, int type, int proto);
 
 /**
  * @brief Dump out the list of protocol switch values.