diff --git a/apps/example.c b/apps/example.c
index d06bd81..673aa53 100644
--- a/apps/example.c
+++ b/apps/example.c
@@ -31,7 +31,7 @@ static int example_mayo(const mayo_params_t* p) {
     unsigned char *sk  = calloc(p->csk_bytes, 1);
 
     unsigned char *epk = calloc(p->epk_bytes, 1);
-    sk_t *esk = calloc(sizeof(sk_t), 1);
+    sk_t *esk = calloc(1, sizeof(sk_t));
 
     unsigned char *sig = calloc(p->sig_bytes + msglen, 1);
 
diff --git a/test/bench.c b/test/bench.c
index 3cd95c3..dc8186a 100644
--- a/test/bench.c
+++ b/test/bench.c
@@ -99,7 +99,7 @@ static int bench_sig(const mayo_params_t *p, int runs, int csv) {
     unsigned char *pk  = calloc(p->cpk_bytes, 1);
     unsigned char *epk  = calloc(p->epk_bytes, 1);
     unsigned char *sk  = calloc(p->csk_bytes, 1);
-    sk_t *esk  = (sk_t *)calloc(sizeof(sk_t), 1);
+    sk_t *esk  = (sk_t *)calloc(1, sizeof(sk_t));
     unsigned char *sig = calloc(p->sig_bytes + m_len, 1);
     unsigned char *m   = calloc(m_len, 1);
     unsigned long long len = p->sig_bytes;