diff --git a/Demo/scripts/beer.py b/Demo/scripts/beer.py
old mode 100644
new mode 100755
diff --git a/Demo/scripts/find-uname.py b/Demo/scripts/find-uname.py
old mode 100644
new mode 100755
diff --git a/Demo/scripts/toaiff.py b/Demo/scripts/toaiff.py
old mode 100644
new mode 100755