diff --git a/server/proxy/channels/pf_channel_rdpdr.c b/server/proxy/channels/pf_channel_rdpdr.c
index cb79266da..61e5330e3 100644
--- a/server/proxy/channels/pf_channel_rdpdr.c
+++ b/server/proxy/channels/pf_channel_rdpdr.c
@@ -1764,7 +1764,7 @@ static void pf_channel_rdpdr_server_context_free(InterceptContextMapEntry* base)
 	if (!entry)
 		return;
 
-	WTSVirtualChannelClose(entry->handle);
+	(void)WTSVirtualChannelClose(entry->handle);
 	pf_channel_rdpdr_common_context_free(&entry->common);
 	ArrayList_Free(entry->blockedDevices);
 	free(entry);