diff --git a/index.js b/index.js
index 01ee532..c83f3e0 100644
--- a/index.js
+++ b/index.js
@@ -22157,7 +22157,7 @@ try {
       throw new Error("Unable to find pages project");
     const githubBranch = import_process.env.GITHUB_REF_NAME;
     const productionEnvironment = githubBranch === project.production_branch;
-    const environmentName = productionEnvironment ? "Production" : `Preview: (${githubBranch})`;
+    const environmentName = `${projectName} (${productionEnvironment ? "Production" : "Preview"})`;
     let gitHubDeployment;
     if (gitHubToken && gitHubToken.length) {
       const octokit = (0, import_github.getOctokit)(gitHubToken);
diff --git a/src/index.ts b/src/index.ts
index c871b74..ef37a3d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -126,7 +126,7 @@ try {
 
 		const githubBranch = env.GITHUB_REF_NAME;
 		const productionEnvironment = githubBranch === project.production_branch;
-		const environmentName = productionEnvironment ? "Production" : `Preview: (${githubBranch})`;
+		const environmentName = `${projectName} (${productionEnvironment ? "Production" : "Preview"})`;
 
 		let gitHubDeployment: Awaited<ReturnType<typeof createGitHubDeployment>>;