diff --git a/src/Plugin/Block/SharethisBlock.php b/src/Plugin/Block/SharethisBlock.php
index 4f37d88f1..eade98974 100644
--- a/src/Plugin/Block/SharethisBlock.php
+++ b/src/Plugin/Block/SharethisBlock.php
@@ -85,6 +85,9 @@ public function build() {
             'sharethis' => $st_js,
           ),
         ),
+        '#cache' => [
+          'contexts' => ['url.path'],
+        ],
       ];
     }
   }