diff --git a/src/app/main.cpp b/src/app/main.cpp
index ea33d8263b13..0df5d17c9cdb 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -891,6 +891,16 @@ int main( int argc, char *argv[] )
   // Initialize the application and the translation stuff
   /////////////////////////////////////////////////////////////////////
 
+
+#if defined(Q_OS_WIN)
+  // FIXES #29021
+  // Prevent Qt from treating the AltGr key as  Ctrl+Alt on Windows, which causes shortcuts to be fired
+  // instead of entering some characters (eg "}", "|") on some keyboard layouts
+  // See https://doc.qt.io/qt-6/qguiapplication.html#platform-specific-arguments
+  qputenv( "QT_QPA_PLATFORM", "windows:altgr" );
+#endif
+
+
 #if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) && !defined(ANDROID)
   bool myUseGuiFlag = nullptr != getenv( "DISPLAY" );
 #else