diff --git a/backends/twitter/TwitterPlugin.h b/backends/twitter/TwitterPlugin.h
index fee4b84db4f38b013e5b10ec0e2029c449f7029a..9f4bd2c570135382aca49f06b251a73308cf8a34 100644
--- a/backends/twitter/TwitterPlugin.h
+++ b/backends/twitter/TwitterPlugin.h
@@ -136,6 +136,7 @@ class TwitterPlugin : public NetworkPlugin {
 
 	private:
 		std::string getMostRecentTweetIDUnsafe(const std::string user);
+		std::string getMostRecentDMIDUnsafe(const std::string user);
 
 		enum status {NEW, WAITING_FOR_PIN, CONNECTED, DISCONNECTED};
 		enum mode {SINGLECONTACT, MULTIPLECONTACT, CHATROOM};