diff --git a/linux/blitztext/__init__.py b/linux/blitztext/__init__.py
index 22052eb..85d6375 100644
--- a/linux/blitztext/__init__.py
+++ b/linux/blitztext/__init__.py
@@ -6,4 +6,4 @@ counterpart to the macOS Blitztext menu bar app: it runs natively on the host
 (not in a container) so it can type into any application via xdotool.
 """
 
-__version__ = "2.1.1"
+__version__ = "2.1.2"
diff --git a/linux/blitztext/gtksettings.py b/linux/blitztext/gtksettings.py
index 2b5cc91..0a967e5 100644
--- a/linux/blitztext/gtksettings.py
+++ b/linux/blitztext/gtksettings.py
@@ -2073,7 +2073,8 @@ notebook.bt-nb tab:checked label {
             return
         reference = Path(refp).read_text(errors="replace")
         self.bench_store.clear()
-        self._stt_commit()
+        if hasattr(self, "stt_name"):   # only if Engines tab has been built
+            self._stt_commit()
 
         # Filter to checked engines (deduplicate by name as safety net)
         checks = getattr(self, "_bench_checks", {})