diff --git a/src/Socket/chats.ts b/src/Socket/chats.ts
index 0ca11d7..bddd210 100644
--- a/src/Socket/chats.ts
+++ b/src/Socket/chats.ts
@@ -773,8 +773,10 @@ export const makeChatsSocket = (config: SocketConfig) => {
 
 		let props: { [_: string]: string } = {}
 		if(propsNode) {
-			authState.creds.lastPropHash = propsNode?.attrs?.hash
-			ev.emit('creds.update', authState.creds)
+			if(propsNode.attrs?.hash) { // on some clients, the hash is returning as undefined
+				authState.creds.lastPropHash = propsNode?.attrs?.hash
+				ev.emit('creds.update', authState.creds)
+			}
 			props = reduceBinaryNodeToDictionary(propsNode, 'prop')
 		}