diff --git a/server-ce/test/helpers/project.ts b/server-ce/test/helpers/project.ts
index eab0685613..643a742e48 100644
--- a/server-ce/test/helpers/project.ts
+++ b/server-ce/test/helpers/project.ts
@@ -245,7 +245,8 @@ export function getSpamSafeProjectName() {
     // Move from hex/16 to base64/64 possible characters per char in string
     const name = Buffer.from(uuid().replaceAll('-', ''), 'hex')
       .toString('base64')
-      .replace('/', '_')
+      .replaceAll('/', 'x')
+      .replaceAll('+', 'y')
       .slice(0, 10)
     const nDigits = (name.match(/\d/g) || []).length
     if (nDigits < 6) return name