diff --git a/core/package.json b/core/package.json
index 022680d..f7dd7ae 100644
--- a/core/package.json
+++ b/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@crate.ai/discogs-sdk",
-  "version": "2.4.0",
+  "version": "2.4.1",
   "description": "an SDK for the Discogs API",
   "repository": {
     "type": "git",
diff --git a/core/src/implementations/DefaultOAuthHandler.ts b/core/src/implementations/DefaultOAuthHandler.ts
index 9714d9d..9792b0e 100644
--- a/core/src/implementations/DefaultOAuthHandler.ts
+++ b/core/src/implementations/DefaultOAuthHandler.ts
@@ -45,7 +45,7 @@ export class DefaultOAuthHandler implements OAuthHandler {
         `OAuth oauth_consumer_key="${this.config.consumerKey}",` +
         `oauth_nonce="${nonce}",` +
         `oauth_callback="${encodeURIComponent(this.config.callbackUrl)}",` +
-        `oauth_signature="${encodeURIComponent(signature)}",` +
+        `oauth_signature="${signature}",` +
         `oauth_signature_method="PLAINTEXT",` +
         `oauth_timestamp="${timestamp}",` +
         `oauth_version="1.0"`;
@@ -120,7 +120,7 @@ export class DefaultOAuthHandler implements OAuthHandler {
         `oauth_nonce="${nonce}",` +
         `oauth_token="${requestToken}",` +
         `oauth_verifier="${params.oauthVerifier}",` +
-        `oauth_signature="${encodeURIComponent(signature)}",` +
+        `oauth_signature="${signature}",` +
         `oauth_signature_method="PLAINTEXT",` +
         `oauth_timestamp="${timestamp}",` +
         `oauth_version="1.0"`;