diff --git a/src/js/background.js b/src/js/background.js
index 456156e85..0957f044f 100644
--- a/src/js/background.js
+++ b/src/js/background.js
@@ -139,8 +139,8 @@ const µBlock = (( ) => { // jshint ignore:line
 
         // Read-only
         systemSettings: {
-            compiledMagic: 32,  // Increase when compiled format changes
-            selfieMagic: 32,    // Increase when selfie format changes
+            compiledMagic: 33,  // Increase when compiled format changes
+            selfieMagic: 33,    // Increase when selfie format changes
         },
 
         // https://github.com/uBlockOrigin/uBlock-issues/issues/759#issuecomment-546654501