diff --git a/qt/tools/typecheck-setup.sh b/qt/tools/typecheck-setup.sh
index 2c883b167..6d0e937ac 100755
--- a/qt/tools/typecheck-setup.sh
+++ b/qt/tools/typecheck-setup.sh
@@ -17,4 +17,4 @@ TOOLS="$(cd "`dirname "$0"`"; pwd)"
 modDir=$(python -c 'import PyQt5, sys, os; sys.stdout.write(os.path.dirname(sys.modules["PyQt5"].__file__))')
 
 # fix broken stubs in pyqt5.15.0 release
-(cd $modDir && perl -i'' -pe 's/^None =/None_ =/' *.pyi)
+(cd $modDir && perl -i'' -pe 's/(\s*None) =/$1_ =/' *.pyi && touch py.typed)