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-rw-r--r--lib/crypto.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/crypto.js b/lib/crypto.js
index 9ffff06f7f..16a8524f84 100644
--- a/lib/crypto.js
+++ b/lib/crypto.js
@@ -100,7 +100,7 @@ Hmac.prototype._transform = Hash.prototype._transform;
function getDecoder(decoder, encoding) {
- if (encoding === 'utf-8') encoding = 'utf8'; // Normalize encoding.
+ encoding = internalUtil.normalizeEncoding(encoding);
decoder = decoder || new StringDecoder(encoding);
assert(decoder.encoding === encoding, 'Cannot change encoding');
return decoder;