diff --git a/MicroDexed.ino b/MicroDexed.ino
index 43b0894..026bced 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -2129,7 +2129,7 @@ void set_voiceconfig_params(uint8_t instance_id) {
   MicroDexed[instance_id]->doRefreshVoice();
   MicroDexed[instance_id]->setMonoMode(configuration.dexed[instance_id].monopoly);
   MicroDexed[instance_id]->setNoteRefreshMode(configuration.dexed[instance_id].note_refresh);
-  MicroDexed[instance_id]->setEngineType(MKI);
+  MicroDexed[instance_id]->setEngineType(configuration.dexed[instance_id].engine);
 
   // Dexed output level
   MicroDexed[instance_id]->setGain(midi_volume_transform(map(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0, 127)));
diff --git a/UI.hpp b/UI.hpp
index 3033e56..e6015ab 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -4865,15 +4865,16 @@ void UI_func_engine(uint8_t param) {
 
     display.clear();
     display.show(0, 0, 16, "Engine");
+    display.show(1, 0, 16, "[      ]");
     switch (configuration.dexed[selected_instance_id].engine) {
       case 0:
-        display.show(1, 0, 16, "[Modern]");
+        display.show(1, 1, 6, "Modern");
         break;
       case 1:
-        display.show(1, 0, 16, "[Mark I]");
+        display.show(1, 1, 6, "Mark I");
         break;
       case 2:
-        display.show(1, 0, 16, "[OPL]");
+        display.show(1, 1, 6, "OPL");
         break;
     }
 
diff --git a/addon/SD/PERFORMANCE/0/voice1.json b/addon/SD/PERFORMANCE/0/voice1.json
index eefab85..d740933 100644
--- a/addon/SD/PERFORMANCE/0/voice1.json
+++ b/addon/SD/PERFORMANCE/0/voice1.json
@@ -29,5 +29,6 @@
   "portamento_glissando": 0,
   "portamento_time": 0,
   "op_enabled": 63,
-  "midi_channel": 2
+  "midi_channel": 2,
+  "engine": 1
 }
diff --git a/addon/SD/PERFORMANCE/0/voice2.json b/addon/SD/PERFORMANCE/0/voice2.json
index 38d834c..f648a2c 100644
--- a/addon/SD/PERFORMANCE/0/voice2.json
+++ b/addon/SD/PERFORMANCE/0/voice2.json
@@ -29,5 +29,6 @@
   "portamento_glissando": 0,
   "portamento_time": 0,
   "op_enabled": 63,
-  "midi_channel": 3
+  "midi_channel": 3,
+  "engine": 1
 }
diff --git a/config.h b/config.h
index 4f26754..306a334 100644
--- a/config.h
+++ b/config.h
@@ -525,7 +525,7 @@
 
 #define ENGINE_MIN 0
 #define ENGINE_MAX 2
-#define ENGINE_DEFAULT 0
+#define ENGINE_DEFAULT 1 // 0=Modern, 1=MkI, 2=OPL
 
 #define PERFORMANCE_NUM_MIN 0
 #define PERFORMANCE_NUM_MAX 99
diff --git a/dexed_sd.cpp b/dexed_sd.cpp
index 035655e..40613da 100644
--- a/dexed_sd.cpp
+++ b/dexed_sd.cpp
@@ -614,6 +614,7 @@ bool load_sd_voiceconfig_json(uint8_t vc, uint8_t instance_id) {
         configuration.dexed[instance_id].portamento_time = data_json["portamento_time"];
         configuration.dexed[instance_id].op_enabled = data_json["op_enabled"];
         configuration.dexed[instance_id].midi_channel = data_json["midi_channel"];
+        configuration.dexed[instance_id].engine = data_json["engine"];
 
         check_configuration_dexed(instance_id);
         set_voiceconfig_params(instance_id);
@@ -695,6 +696,7 @@ bool save_sd_voiceconfig_json(uint8_t vc, uint8_t instance_id) {
       data_json["portamento_time"] = configuration.dexed[instance_id].portamento_time;
       data_json["op_enabled"] = configuration.dexed[instance_id].op_enabled;
       data_json["midi_channel"] = configuration.dexed[instance_id].midi_channel;
+      data_json["engine"] = configuration.dexed[instance_id].engine;
 
 #if defined(DEBUG) && defined(DEBUG_SHOW_JSON)
       Serial.println(F("Write JSON data:"));