diff --git a/templates/control.html b/templates/control.html
index 4e51125..e1ded86 100644
--- a/templates/control.html
+++ b/templates/control.html
@@ -594,7 +594,7 @@
                 const res = await fetch(`/test/auto/stop/${puNumber}`, { method: "POST" });
                 if (res.ok) {
                     button.classList.remove("auto-running");
-                    button.textContent = `Automatic Test PU${puNumber}`;
+                    button.textContent = `Automatic Test ${puNumber}`;
                 } else {
                     alert("Failed to stop auto test");
                 }