diff --git a/usr.sbin/fifolog/lib/fifolog_int.c b/usr.sbin/fifolog/lib/fifolog_int.c
index 9d3b437b169d..f8aabdc797b5 100644
--- a/usr.sbin/fifolog/lib/fifolog_int.c
+++ b/usr.sbin/fifolog/lib/fifolog_int.c
@@ -125,7 +125,7 @@ fifolog_int_open_i(struct fifolog_file *f, const char *fname, int mode)
 
 	/* Initialize zlib handling */
 
-	f->zs = calloc(sizeof *f->zs, 1);
+	f->zs = calloc(1, sizeof(*f->zs));
 	if (f->zs == NULL)
 		return ("cannot malloc");
 
diff --git a/usr.sbin/fifolog/lib/fifolog_reader.c b/usr.sbin/fifolog/lib/fifolog_reader.c
index 5843a813d0e8..d57d12c948f1 100644
--- a/usr.sbin/fifolog/lib/fifolog_reader.c
+++ b/usr.sbin/fifolog/lib/fifolog_reader.c
@@ -59,7 +59,7 @@ fifolog_reader_open(const char *fname)
 	struct fifolog_reader *fr;
 	int i;
 
-	fr = calloc(sizeof *fr, 1);
+	fr = calloc(1, sizeof(*fr));
 	if (fr == NULL)
 		err(1, "Cannot malloc");