diff --git a/fuzzers/libFuzzer/wc_ecc_sign-verify_hash/target.c b/fuzzers/libFuzzer/wc_ecc_sign-verify_hash/target.c
index eab7b23b042..92ff59cbd7c 100644
--- a/fuzzers/libFuzzer/wc_ecc_sign-verify_hash/target.c
+++ b/fuzzers/libFuzzer/wc_ecc_sign-verify_hash/target.c
@@ -45,7 +45,7 @@ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
     wc_ecc_make_key(&rng, (521/8), &key);
 
     wc_ecc_sign_hash(data, size, encrypted_out, &encrypted_out_size, &rng, &key);
-    wc_ecc_verify_hash(encrypted_out, encrypted_out_size, data, (521 / 8), &verify, &key);
+    wc_ecc_verify_hash(encrypted_out, encrypted_out_size, data, size, &verify, &key);
 
     wc_FreeRng(&rng);
     wc_ecc_free(&key);