diff --git a/test/default/box_easy2.c b/test/default/box_easy2.c
index c7035138..2e366bf8 100644
--- a/test/default/box_easy2.c
+++ b/test/default/box_easy2.c
@@ -5,18 +5,24 @@
 unsigned char m[10000];
 unsigned char m2[10000];
 unsigned char c[crypto_box_MACBYTES + 10000];
-unsigned char nonce[crypto_box_NONCEBYTES];
-unsigned char alicepk[crypto_box_PUBLICKEYBYTES];
-unsigned char alicesk[crypto_box_SECRETKEYBYTES];
-unsigned char bobpk[crypto_box_PUBLICKEYBYTES];
-unsigned char bobsk[crypto_box_SECRETKEYBYTES];
-unsigned char mac[crypto_box_MACBYTES];
 
 int main(void)
 {
-    size_t mlen;
-    size_t i;
+    unsigned char *alicepk;
+    unsigned char *alicesk;
+    unsigned char *bobpk;
+    unsigned char *bobsk;
+    unsigned char *mac;
+    unsigned char *nonce;
+    size_t         mlen;
+    size_t         i;
 
+    alicepk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
+    alicesk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
+    bobpk = (unsigned char *) sodium_malloc(crypto_box_PUBLICKEYBYTES);
+    bobsk = (unsigned char *) sodium_malloc(crypto_box_SECRETKEYBYTES);
+    mac = (unsigned char *) sodium_malloc(crypto_box_MACBYTES);
+    nonce = (unsigned char *) sodium_malloc(crypto_box_NONCEBYTES);
     crypto_box_keypair(alicepk, alicesk);
     crypto_box_keypair(bobpk, bobsk);
     mlen = (size_t) randombytes_uniform((uint32_t)sizeof m);
@@ -54,6 +60,13 @@ int main(void)
     crypto_box_open_detached(m2, c, mac, (unsigned long long) mlen,
                              nonce, alicepk, bobsk);
     printf("%d\n", memcmp(m, m2, mlen));
+    sodium_free(alicepk);
+    sodium_free(alicesk);
+    sodium_free(bobpk);
+    sodium_free(bobsk);
+    sodium_free(mac);
+    sodium_free(nonce);
+    printf("OK\n");
 
     return 0;
 }
diff --git a/test/default/box_easy2.exp b/test/default/box_easy2.exp
index 44e0be8e..524cb98e 100644
--- a/test/default/box_easy2.exp
+++ b/test/default/box_easy2.exp
@@ -2,3 +2,4 @@
 0
 0
 0
+OK