diff --git a/MicroDexed.ino b/MicroDexed.ino
index 19afc25..66e3ab7 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -242,7 +242,7 @@ FLASHMEM void create_audio_dexed_chain(uint8_t instance_id) {
   chorus_mixer[instance_id] = new AudioMixer<2>();
   delay_fb_mixer[instance_id] = new AudioMixer<2>();
 #if defined(USE_DELAY_8M)
-  delay_fx[instance_id] = new AudioEffectDelayExternal8(3, DELAY_MAX_TIME);
+  delay_fx[instance_id] = new AudioEffectDelayExternal8(AUDIO_MEMORY8_PSRAM_8MB, DELAY_MAX_TIME);
 #else
   delay_fx[instance_id] = new AudioEffectDelay();
 #endif