diff --git a/data/WindowsSpyBlocker/extra-win10/hosts b/data/WindowsSpyBlocker/extra-win10/_hosts
similarity index 100%
rename from data/WindowsSpyBlocker/extra-win10/hosts
rename to data/WindowsSpyBlocker/extra-win10/_hosts
diff --git a/data/WindowsSpyBlocker/extra-win10/update.json b/data/WindowsSpyBlocker/extra-win10/_update.json
similarity index 100%
rename from data/WindowsSpyBlocker/extra-win10/update.json
rename to data/WindowsSpyBlocker/extra-win10/_update.json
diff --git a/data/WindowsSpyBlocker/extra-win81/hosts b/data/WindowsSpyBlocker/extra-win81/_hosts
similarity index 100%
rename from data/WindowsSpyBlocker/extra-win81/hosts
rename to data/WindowsSpyBlocker/extra-win81/_hosts
diff --git a/data/WindowsSpyBlocker/extra-win81/update.json b/data/WindowsSpyBlocker/extra-win81/_update.json
similarity index 100%
rename from data/WindowsSpyBlocker/extra-win81/update.json
rename to data/WindowsSpyBlocker/extra-win81/_update.json