diff --git a/src/libmwereader/mwereader.cpp b/src/libmwereader/mwereader.cpp
index cc464d21cd66bb12433602fd1bfeeb2d9a3445f4..933a2a04b3133c5b891ddee939cc6bf7367ce99c 100644
--- a/src/libmwereader/mwereader.cpp
+++ b/src/libmwereader/mwereader.cpp
@@ -60,12 +60,12 @@ bool MWEReader::registered = TokenReader::register_path_reader<MWEReader>(
 		// TODO implementataion
 	}
 
-	void set_annotation_channel(const std::string & chan_name)
+	void MWEReader::set_annotation_channel(const std::string & chan_name)
 	{
 		chan_ann_name = chan_name;
 	}
 
-	std::string get_annotation_channel_base_name()
+	std::string MWEReader::get_annotation_channel_base_name()
 	{
 		return chan_ann_name + "_base";
 	}