diff --git a/soundlib/Load_med.cpp b/soundlib/Load_med.cpp
index 1bdbd0d7b3b..bc07e30238e 100644
--- a/soundlib/Load_med.cpp
+++ b/soundlib/Load_med.cpp
@@ -1193,6 +1193,8 @@ bool CSoundFile::ReadMED(FileReader &file, ModLoadingFlags loadFlags)
 
 		// For MED, this affects both volume and pitch slides
 		m_SongFlags.set(SONG_FASTVOLSLIDES, !(songHeader.flags & MMDSong::FLAG_STSLIDE));
+		m_playBehaviour.set(kST3PortaSampleChange);
+		m_playBehaviour.set(kFT2PortaNoNote);
 
 		if(expData.songNameOffset && file.Seek(expData.songNameOffset))
 		{