diff --git a/src/music/fluidsynth.cpp b/src/music/fluidsynth.cpp
index 000432e1da..b5cbf46aa1 100644
--- a/src/music/fluidsynth.cpp
+++ b/src/music/fluidsynth.cpp
@@ -163,14 +163,21 @@ void MusicDriver_FluidSynth::PlaySong(const MusicSongInfo &song)
 
 void MusicDriver_FluidSynth::StopSong()
 {
-	std::lock_guard<std::mutex> lock{ _midi.synth_mutex };
+	{
+		std::lock_guard<std::mutex> lock{ _midi.synth_mutex };
 
-	if (!_midi.player) return;
+		if (!_midi.player) return;
 
-	fluid_player_stop(_midi.player);
+		fluid_player_stop(_midi.player);
+	}
+
+	/* The join must be run without lock as the Music rendering needs to be
+	 * running so FluidSynth's internals can actually stop the playing. */
 	if (fluid_player_join(_midi.player) != FLUID_OK) {
 		DEBUG(driver, 0, "Could not join player");
 	}
+
+	std::lock_guard<std::mutex> lock{ _midi.synth_mutex };
 	delete_fluid_player(_midi.player);
 	fluid_synth_system_reset(_midi.synth);
 	fluid_synth_all_sounds_off(_midi.synth, -1);