diff --git a/src/js/net-filtering.js b/src/js/net-filtering.js
index 82338cc8f..5f9cd674b 100644
--- a/src/js/net-filtering.js
+++ b/src/js/net-filtering.js
@@ -21,7 +21,9 @@
 
 /* jshint bitwise: false */
 /* global µBlock */
-'use strict';
+
+// Older Safari throws an exception for const when it's used with 'use strict'.
+// 'use strict';
 
 /******************************************************************************/