diff --git a/lib/libcasper/services/cap_dns/cap_dns.c b/lib/libcasper/services/cap_dns/cap_dns.c
--- a/lib/libcasper/services/cap_dns/cap_dns.c
+++ b/lib/libcasper/services/cap_dns/cap_dns.c
@@ -85,7 +85,7 @@
 	hp->h_length = (int)nvlist_get_number(nvl, "length");
 
 	nitems = (unsigned int)nvlist_get_number(nvl, "naliases");
-	hp->h_aliases = calloc(sizeof(hp->h_aliases[0]), nitems + 1);
+	hp->h_aliases = calloc(nitems + 1, sizeof(hp->h_aliases[0]));
 	if (hp->h_aliases == NULL)
 		goto fail;
 	for (ii = 0; ii < nitems; ii++) {
@@ -99,7 +99,7 @@
 	hp->h_aliases[ii] = NULL;
 
 	nitems = (unsigned int)nvlist_get_number(nvl, "naddrs");
-	hp->h_addr_list = calloc(sizeof(hp->h_addr_list[0]), nitems + 1);
+	hp->h_addr_list = calloc(nitems + 1, sizeof(hp->h_addr_list[0]));
 	if (hp->h_addr_list == NULL)
 		goto fail;
 	for (ii = 0; ii < nitems; ii++) {
diff --git a/lib/libcasper/services/cap_net/cap_net.c b/lib/libcasper/services/cap_net/cap_net.c
--- a/lib/libcasper/services/cap_net/cap_net.c
+++ b/lib/libcasper/services/cap_net/cap_net.c
@@ -105,7 +105,7 @@
 	hp->h_length = (int)nvlist_get_number(nvl, "length");
 
 	nitems = (unsigned int)nvlist_get_number(nvl, "naliases");
-	hp->h_aliases = calloc(sizeof(hp->h_aliases[0]), nitems + 1);
+	hp->h_aliases = calloc(nitems + 1, sizeof(hp->h_aliases[0]));
 	if (hp->h_aliases == NULL)
 		goto fail;
 	for (ii = 0; ii < nitems; ii++) {
@@ -119,7 +119,7 @@
 	hp->h_aliases[ii] = NULL;
 
 	nitems = (unsigned int)nvlist_get_number(nvl, "naddrs");
-	hp->h_addr_list = calloc(sizeof(hp->h_addr_list[0]), nitems + 1);
+	hp->h_addr_list = calloc(nitems + 1, sizeof(hp->h_addr_list[0]));
 	if (hp->h_addr_list == NULL)
 		goto fail;
 	for (ii = 0; ii < nitems; ii++) {