diff --git a/qt/aqt/browser.py b/qt/aqt/browser.py
index 424490045..c94fef39c 100644
--- a/qt/aqt/browser.py
+++ b/qt/aqt/browser.py
@@ -586,10 +586,10 @@ class Browser(QMainWindow):
     col: Collection
     editor: Optional[Editor]
 
-    def __init__(self, mw: AnkiQt, want_old_sidebar: bool = False) -> None:
+    def __init__(self, mw: AnkiQt) -> None:
         QMainWindow.__init__(self, None, Qt.Window)
         self.mw = mw
-        self.want_old_sidebar = want_old_sidebar
+        self.want_old_sidebar = mw.app.queryKeyboardModifiers() & Qt.ShiftModifier
         self.col = self.mw.col
         self.lastFilter = ""
         self.focusTo: Optional[int] = None
diff --git a/qt/aqt/main.py b/qt/aqt/main.py
index b5708c672..a20ea514e 100644
--- a/qt/aqt/main.py
+++ b/qt/aqt/main.py
@@ -1062,9 +1062,7 @@ title="%s" %s>%s</button>""" % (
         aqt.dialogs.open("AddCards", self)
 
     def onBrowse(self) -> None:
-        aqt.dialogs.open(
-            "Browser", self, self.app.queryKeyboardModifiers() & Qt.ShiftModifier
-        )
+        aqt.dialogs.open("Browser", self)
 
     def onEditCurrent(self):
         aqt.dialogs.open("EditCurrent", self)