diff --git a/comictaggerlib/gui.py b/comictaggerlib/gui.py
index f297646..f4e0422 100644
--- a/comictaggerlib/gui.py
+++ b/comictaggerlib/gui.py
@@ -82,13 +82,14 @@ try:
                 return True
             return super().event(event)
 
-except ImportError:
+except ImportError as e:
 
     def show_exception_box(log_msg: str) -> None:
         ...
 
     logger.exception("Qt unavailable")
     qt_available = False
+    import_error = e
 
 
 def open_tagger_window(
diff --git a/comictaggerlib/main.py b/comictaggerlib/main.py
index b351420..c648bb7 100644
--- a/comictaggerlib/main.py
+++ b/comictaggerlib/main.py
@@ -217,6 +217,8 @@ class App:
             try:
                 from comictaggerlib import gui
 
+                if not gui.qt_available:
+                    raise gui.import_error
                 return gui.open_tagger_window(talkers, self.config, error)
             except ImportError:
                 self.config[0].Runtime_Options_no_gui = True
diff --git a/setup.cfg b/setup.cfg
index cb0b85c..371ea37 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -221,7 +221,7 @@ depends =
     clean
     pypi-upload
 deps =
-    pyinstaller>=5.6.2
+    pyinstaller>=5.6.2,!=6.0.0
 extras =
     all
 commands =
@@ -281,7 +281,7 @@ deps =
     types-setuptools
     types-requests
     build
-    pyinstaller>=5.6.2
+    pyinstaller>=5.6.2,!=6.0.0
 
 [flake8]
 max-line-length = 120