diff --git a/src/Classes/Frame.gd b/src/Classes/Frame.gd
index 21ef3ff9b..ec5358ab2 100644
--- a/src/Classes/Frame.gd
+++ b/src/Classes/Frame.gd
@@ -22,8 +22,11 @@ func position_in_seconds(project: Project, start_from := 0) -> float:
 	var index := project.frames.find(self)
 	if index > start_from:
 		for i in range(start_from, index):
-			var frame := project.frames[i]
-			pos += frame.get_duration_in_seconds(project.fps)
+			if i >= 0:
+				var frame := project.frames[i]
+				pos += frame.get_duration_in_seconds(project.fps)
+			else:
+				pos += 1.0 / project.fps
 	else:
 		if start_from >= project.frames.size():
 			return -1.0
diff --git a/src/Classes/Layers/AudioLayer.gd b/src/Classes/Layers/AudioLayer.gd
index ca22fb086..7dd2f5f27 100644
--- a/src/Classes/Layers/AudioLayer.gd
+++ b/src/Classes/Layers/AudioLayer.gd
@@ -13,8 +13,13 @@ var audio: AudioStream:  ## The audio stream of the layer.
 		audio_changed.emit()
 var playback_position := 0.0:  ## The time in seconds where the audio stream starts playing.
 	get():
-		var frame := project.frames[playback_frame]
-		return frame.position_in_seconds(project)
+		if playback_frame >= 0:
+			var frame := project.frames[playback_frame]
+			return frame.position_in_seconds(project)
+		var pos := 0.0
+		for i in absi(playback_frame):
+			pos -= 1.0 / project.fps
+		return pos
 var playback_frame := 0:  ## The frame where the audio stream starts playing.
 	set(value):
 		playback_frame = value
diff --git a/src/UI/Timeline/LayerButton.gd b/src/UI/Timeline/LayerButton.gd
index ecd09324a..fbb564bd5 100644
--- a/src/UI/Timeline/LayerButton.gd
+++ b/src/UI/Timeline/LayerButton.gd
@@ -76,7 +76,11 @@ func _on_cel_switched() -> void:
 			audio_player.stop()
 			return
 		if animation_running:
-			if Global.current_project.current_frame == layer.playback_frame:
+			var current_frame := Global.current_project.current_frame
+			if (
+				current_frame == layer.playback_frame
+				or (current_frame == 0 and layer.playback_frame < 0)
+			):
 				_play_audio(false)
 		else:
 			_play_audio(true)
@@ -90,7 +94,7 @@ func _on_animation_started(_dir: bool) -> void:
 func _on_animation_looped() -> void:
 	var layer := Global.current_project.layers[layer_index]
 	if layer is AudioLayer:
-		if layer.playback_frame != 0 or not layer.is_visible_in_hierarchy():
+		if layer.playback_frame > 0 or not layer.is_visible_in_hierarchy():
 			if is_instance_valid(audio_player):
 				audio_player.stop()