diff --git a/src/crypto/CryptoHash.cpp b/src/crypto/CryptoHash.cpp
index f175b775..d116451f 100644
--- a/src/crypto/CryptoHash.cpp
+++ b/src/crypto/CryptoHash.cpp
@@ -49,6 +49,7 @@ CryptoHash::CryptoHash(CryptoHash::Algorithm algo)
 
     gcry_error_t error = gcry_md_open(&d->ctx, algoGcrypt, 0);
     Q_ASSERT(error == 0); // TODO: error handling
+    Q_UNUSED(error);
 
     d->hashLen = gcry_md_get_algo_dlen(algoGcrypt);
 }