diff --git a/qt/aqt/errors.py b/qt/aqt/errors.py
index de73435d4..b6cbc2eb6 100644
--- a/qt/aqt/errors.py
+++ b/qt/aqt/errors.py
@@ -54,7 +54,7 @@ class ErrorHandler(QObject):
     def setTimer(self):
         # we can't create a timer from a different thread, so we post a
         # message to the object on the main thread
-        self.errorTimer.emit()
+        self.errorTimer.emit()  # type: ignore
 
     def _setTimer(self):
         if not self.timer:
diff --git a/qt/mypy.ini b/qt/mypy.ini
index a39a1de9c..b6203b753 100644
--- a/qt/mypy.ini
+++ b/qt/mypy.ini
@@ -70,3 +70,5 @@ check_untyped_defs=true
 check_untyped_defs=true
 [mypy-aqt.models]
 check_untyped_defs=true
+[mypy-aqt.errors]
+check_untyped_defs=true