diff --git a/hush-hush.js b/hush-hush.js
index a6b631c..d796cc6 100644
--- a/hush-hush.js
+++ b/hush-hush.js
@@ -139,7 +139,11 @@ async function findMessages(){
                 document.getElementById('memUsage').innerText = getReadableFileSizeString(current + ((basicTextEncoder.encode(data)).length + block.length))
             }
             try{
-                let metadata = JSON.parse(d.split("\n")[0])
+                var metadata = JSON.parse(d.split("\n")[0])
+                // Make sure the block is an actual post so nodes can't send us stuff unrelated to dapp
+                if (JSON.parse(metadata['meta'])['type'] !== 'kic'){
+                    throw new Error("Not correct block type: " + block)
+                }
             }
             catch(e){
                 console.debug(e)
diff --git a/powworker.js b/powworker.js
index 28b2271..d040792 100644
--- a/powworker.js
+++ b/powworker.js
@@ -15,7 +15,7 @@
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
-importScripts("onionr-jspow/index.js")
+importScripts("jspow/index.js")
 importScripts("sha3.js")
 
 self.addEventListener('message', function(e) {