diff --git a/crypto_verify.js b/crypto_verify.js
index 8bc08bf..29ab54c 100644
--- a/crypto_verify.js
+++ b/crypto_verify.js
@@ -23,5 +23,5 @@ function crypto_verify_32(x, xi, y, yi) {
 function sodium_memcmp (a, b) {
   assert(a.byteLength = b.byteLength, 'buffers must be the same size')
 
-  return vn(a, 0, b, 0, a.byteLength)
+  return vn(a, 0, b, 0, a.byteLength) === 0
 }