diff --git a/korman/operators/op_sound.py b/korman/operators/op_sound.py
index 220222b..c61981b 100644
--- a/korman/operators/op_sound.py
+++ b/korman/operators/op_sound.py
@@ -44,8 +44,9 @@ class PlasmaSoundOpenOperator(SoundOperator, bpy.types.Operator):
             sound = bpy.data.sounds.load(self.filepath)
 
         # Now do the stanky leg^H^H^H^H^H^H^H^H^H^H deed and put the sound on the mod
+        # NOTE: must use the name so that the mod can receive update callbacks
         dest = eval(self.data_path)
-        setattr(dest, self.sound_property, sound)
+        setattr(dest, self.sound_property, sound.name)
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -60,8 +61,7 @@ class PlasmaSoundPackOperator(SoundOperator, bpy.types.Operator):
 
     def execute(self, context):
         soundemit = context.active_object.plasma_modifiers.soundemit
-        sound = bpy.data.sounds.get(soundemit.sounds[soundemit.active_sound_index].sound_data)
-        sound.pack()
+        soundemit.sounds[soundemit.active_sound_index].sound.pack()
         return {"FINISHED"}
 
 
@@ -80,6 +80,5 @@ class PlasmaSoundUnpackOperator(SoundOperator, bpy.types.Operator):
 
     def execute(self, context):
         soundemit = context.active_object.plasma_modifiers.soundemit
-        sound = bpy.data.sounds.get(soundemit.sounds[soundemit.active_sound_index].sound_data)
-        sound.unpack(self.method)
+        soundemit.sounds[soundemit.active_sound_index].sound.unpack(self.method)
         return {"FINISHED"}
diff --git a/korman/ui/modifiers/sound.py b/korman/ui/modifiers/sound.py
index 1997ed6..376a29e 100644
--- a/korman/ui/modifiers/sound.py
+++ b/korman/ui/modifiers/sound.py
@@ -52,7 +52,7 @@ def soundemit(modifier, layout, context):
         row.prop_search(sound, "sound_data_proxy", bpy.data, "sounds", text="")
         open_op = row.operator("sound.plasma_open", icon="FILESEL", text="")
         open_op.data_path = repr(sound)
-        open_op.sound_property = "sound_data"
+        open_op.sound_property = "sound_data_proxy"
 
         # Pack/Unpack
         data = sound.sound