diff --git a/README.md b/README.md
index 32ea225..2ca1ce4 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ The plugin can be configured in the [**semantic-release** configuration file](ht
 | `sourcemaps`    | Directory with sourcemaps. Example `dist`. Optional for upload sourcemaps                                                                                                                                                                                                                                                                                                                                                                                  |
 | `urlPrefix`     | URL prefix for sourcemaps. Example `~/dist`. Optional for upload sourcemaps                                                                                                                                                                                                                                                                                                                                                                                |
 | `rewrite`       | Boolean to indicate rewrite sourcemaps. Default `false`. Optional for upload sourcemaps                                                                                                                                                                                                                                                                                                                                                                    |
-| `releasePrefix` | String that is passed as prefix to the sentry release. <br/> Optional to fix the problem that releases are associated with the organization instead of the project ([Read More](https://github.com/getsentry/sentry-cli/issues/482)). <br/> Ex: `releasePrefix:"web1"` would resolve **only** the sentry release to `web1-1.0.0`. <br/>**Important Notice:** when you use this feature you also have to change the release name in your sentry client app. |
+| `releasePrefix` | String that is passed as prefix to the sentry release. <br/> Optional to fix the problem that releases are associated with the organization instead of the project ([Read More](https://github.com/getsentry/sentry-cli/issues/482)). <br/> Ex: `releasePrefix:"web1"` would resolve **only** the sentry release to `web1@1.0.0`. <br/>**Important Notice:** when you use this feature you also have to change the release name in your sentry client app. |
 
 | `pathToGitFolder` | Path to `.git` folder, relative to the current working directory. Optional. Defaults to current working directory |
 
diff --git a/src/publish.js b/src/publish.js
index aaf6ad8..83d1385 100644
--- a/src/publish.js
+++ b/src/publish.js
@@ -69,7 +69,7 @@ module.exports = async (pluginConfig, ctx) => {
     const commits = await parseCommits(pluginConfig, ctx)
     ctx.logger.log('Commit data retrieved')
     const sentryReleaseVersion = pluginConfig.releasePrefix
-      ? `${pluginConfig.releasePrefix}-${ctx.nextRelease.version}`
+      ? `${pluginConfig.releasePrefix}@${ctx.nextRelease.version}`
       : ctx.nextRelease.version
     /** @type {SentryReleaseParams} */
     const releaseDate = {
diff --git a/test/publish.test.js b/test/publish.test.js
index ff41aec..c343241 100644
--- a/test/publish.test.js
+++ b/test/publish.test.js
@@ -167,11 +167,11 @@ describe('Publish', () => {
           },
         ],
         ref: '6ba09a7c53235ee8a8fa5ee4c1ca8ca886e7fdbb',
-        shortVersion: 'web1-1.0.0',
+        shortVersion: 'web1@1.0.0',
         url: null,
-        version: 'web1-1.0.0',
+        version: 'web1@1.0.0',
       })
-      .post('/api/0/organizations/valid/releases/web1-1.0.0/deploys/')
+      .post('/api/0/organizations/valid/releases/web1@1.0.0/deploys/')
       .reply(201, {
         name: 'amazon',
         url: 'https://api.example.com/',
@@ -254,7 +254,7 @@ describe('Publish', () => {
       ctx,
     )
     expect(result.release.version).to.equal(
-      `${releasePrefix}-${ctx.nextRelease.version}`,
+      `${releasePrefix}@${ctx.nextRelease.version}`,
     )
   })