diff --git a/lib/session.js b/lib/session.js
index 3545217..b96a5ed 100644
--- a/lib/session.js
+++ b/lib/session.js
@@ -1222,7 +1222,7 @@ function rpcRequest(sessionContext, _declarations, callback) {
       // Update tags
       for (const [p, v] of sessionContext.syncState.tags) {
         const c = sessionContext.deviceData.attributes.get(p);
-        if (v && c) {
+        if (v && !c) {
           toClear = device.set(
             sessionContext.deviceData,
             p,