diff --git a/src/index.ts b/src/index.ts
index 6dd527f..2552e70 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -37,7 +37,7 @@ async function main(evt: string, src: string, dest: string, value: Buffer) {
     address_id: dpt.addressId,
     dpt: dpt.id,
     timestamp: new Date().getTime(),
-    value: dpt.dpt.decoder(value)
+    value: dpt.id.startsWith('DPT1.') ? (dpt.dpt.decoder(value) === 1) ? true : false : dpt.dpt.decoder(value)
   }
 
   upsert(document)