diff --git a/verify_ecdh.c b/verify_ecdh.c
index da073f9..5fd1e6d 100644
--- a/verify_ecdh.c
+++ b/verify_ecdh.c
@@ -54,8 +54,8 @@ int main()
     uint8_t l_private1[ECC_BYTES];
     uint8_t l_private2[ECC_BYTES];
     
-    uint8_t l_public1[ECC_BYTES + 1];
-    uint8_t l_public2[ECC_BYTES + 1];
+    uint8_t l_public1[ECC_BYTES * 2];
+    uint8_t l_public2[ECC_BYTES * 2];
     
     uint8_t l_secret1[ECC_BYTES];
     uint8_t l_secret2[ECC_BYTES];