diff --git a/src/network/clientpackethandler.cpp b/src/network/clientpackethandler.cpp
index 128240c02..b2965c23d 100644
--- a/src/network/clientpackethandler.cpp
+++ b/src/network/clientpackethandler.cpp
@@ -261,7 +261,7 @@ void Client::handleCommand_NodemetaChanged(NetworkPacket *pkt)
 		return;
 
 	std::istringstream is(pkt->readLongString(), std::ios::binary);
-	std::stringstream sstr(std::ios::binary);
+	std::stringstream sstr(std::ios::binary | std::ios::in | std::ios::out);
 	decompressZlib(is, sstr);
 
 	NodeMetadataList meta_updates_list(false);