diff --git a/esbuild.config.mjs b/esbuild.config.mjs
index 333a71e..1972e50 100644
--- a/esbuild.config.mjs
+++ b/esbuild.config.mjs
@@ -10,7 +10,7 @@ config();
 const gitCommit = execSync('git rev-parse --short HEAD').toString().trim();
 const gitCommitFull = execSync('git rev-parse HEAD').toString().trim();
 const gitUrl = execSync('git remote get-url origin').toString().trim();
-const gitBranch = execSync('git rev-parse --abbrev-ref HEAD').toString().trim();
+const gitBranch = execSync('git rev-parse --abbrev-ref HEAD').toString().trim().replace(/[\\\/]/g, '-');
 
 let workerName = 'fixtweet';