diff --git a/shared-bindings/audiocore/MixerVoice.c b/shared-bindings/audiocore/MixerVoice.c
index 2711be00f6..36b3c35fc8 100644
--- a/shared-bindings/audiocore/MixerVoice.c
+++ b/shared-bindings/audiocore/MixerVoice.c
@@ -50,10 +50,11 @@
 //|
 // TODO: support mono or stereo voices
 STATIC mp_obj_t audioio_mixervoice_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
-	audioio_mixervoice_obj_t *self = m_new_obj(audioio_mixervoice_obj_t);
+    audioio_mixervoice_obj_t *self = m_new_obj(audioio_mixervoice_obj_t);
     self->base.type = &audioio_mixervoice_type;
-    self->sample = NULL;
-    self->level = ((1 << 15)-1);
+
+    common_hal_audioio_mixervoice_construct(self);
+
     return MP_OBJ_FROM_PTR(self);
 }
 
diff --git a/shared-bindings/audiocore/MixerVoice.h b/shared-bindings/audiocore/MixerVoice.h
index b5e4470588..5849ce252b 100644
--- a/shared-bindings/audiocore/MixerVoice.h
+++ b/shared-bindings/audiocore/MixerVoice.h
@@ -35,6 +35,7 @@
 extern const mp_obj_type_t audioio_mixer_type;
 extern const mp_obj_type_t audioio_mixervoice_type;
 
+void common_hal_audioio_mixervoice_construct(audioio_mixervoice_obj_t *self);
 void common_hal_audioio_mixervoice_set_parent(audioio_mixervoice_obj_t* self, audioio_mixer_obj_t *parent);
 void common_hal_audioio_mixervoice_play(audioio_mixervoice_obj_t* self, mp_obj_t sample, bool loop);
 void common_hal_audioio_mixervoice_stop(audioio_mixervoice_obj_t* self);
diff --git a/shared-module/audiocore/MixerVoice.c b/shared-module/audiocore/MixerVoice.c
index c16dfccb08..a9543a40d0 100644
--- a/shared-module/audiocore/MixerVoice.c
+++ b/shared-module/audiocore/MixerVoice.c
@@ -32,6 +32,11 @@
 #include "shared-module/audiocore/RawSample.h"
 #include "shared-module/audiocore/MixerVoice.h"
 
+void common_hal_audioio_mixervoice_construct(audioio_mixervoice_obj_t *self) {
+    self->sample = NULL;
+    self->level = ((1 << 15) - 1);
+}
+
 void common_hal_audioio_mixervoice_set_parent(audioio_mixervoice_obj_t* self, audioio_mixer_obj_t *parent) {
 	self->parent = parent;
 }