diff --git a/usr.bin/mail/cmd3.c b/usr.bin/mail/cmd3.c
index 9308ad3024b8..38808e2f74ea 100644
--- a/usr.bin/mail/cmd3.c
+++ b/usr.bin/mail/cmd3.c
@@ -463,7 +463,7 @@ group(char **argv)
 	gname = *argv;
 	h = hash(gname);
 	if ((gh = findgroup(gname)) == NULL) {
-		gh = calloc(sizeof(*gh), 1);
+		gh = calloc(1, sizeof(*gh));
 		gh->g_name = vcopy(gname);
 		gh->g_list = NULL;
 		gh->g_link = groups[h];
@@ -477,7 +477,7 @@ group(char **argv)
 	 */
 
 	for (ap = argv+1; *ap != NULL; ap++) {
-		gp = calloc(sizeof(*gp), 1);
+		gp = calloc(1, sizeof(*gp));
 		gp->ge_name = vcopy(*ap);
 		gp->ge_link = gh->g_list;
 		gh->g_list = gp;
diff --git a/usr.bin/mail/vars.c b/usr.bin/mail/vars.c
index dca0604796f5..8cfc06eacd3c 100644
--- a/usr.bin/mail/vars.c
+++ b/usr.bin/mail/vars.c
@@ -56,7 +56,7 @@ assign(const char *name, const char *value)
 	h = hash(name);
 	vp = lookup(name);
 	if (vp == NULL) {
-		vp = calloc(sizeof(*vp), 1);
+		vp = calloc(1, sizeof(*vp));
 		vp->v_name = vcopy(name);
 		vp->v_link = variables[h];
 		variables[h] = vp;