diff --git a/MicroDexed.ino b/MicroDexed.ino
index ae13924..5ac5daf 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -301,6 +301,21 @@ void setup()
 #endif
 #endif
 
+#ifdef DEBUG
+  generate_version_string(version_string, sizeof(version_string));
+
+  Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
+  Serial.println(F("(c)2018-2021 H. Wirtz <wirtz@parasitstudio.de>"));
+  Serial.println(F("https://codeberg.org/dcoredump/MicroDexed"));
+  Serial.print(F("Version: "));
+  Serial.println(version_string);
+  Serial.print(F("CPU-Speed: "));
+  Serial.print(F_CPU / 1000000.0, 1);
+  Serial.println(F(" MHz"));
+  Serial.println(F("<setup start>"));
+  Serial.flush();
+#endif
+
   setup_midi_devices();
 
   // Start audio system
@@ -376,6 +391,17 @@ void setup()
     create_audio_engine_chain(instance_id);
   }
 
+#ifdef DEBUG
+  for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
+  {
+    Serial.print(F("Instance "));
+    Serial.print(instance_id);
+    Serial.print(F(": "));
+    Serial.print(MicroDexed[instance_id]->getMaxNotes());
+    Serial.println(F(" voices"));
+  }
+#endif
+
 #if defined(USE_FX)
   // Init effects
   for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
@@ -397,29 +423,6 @@ void setup()
 #endif
 #endif
 
-#ifdef DEBUG
-  generate_version_string(version_string, sizeof(version_string));
-
-  Serial.println(F("MicroDexed based on https://github.com/asb2m10/dexed"));
-  Serial.println(F("(c)2018-2021 H. Wirtz <wirtz@parasitstudio.de>"));
-  Serial.println(F("https://codeberg.org/dcoredump/MicroDexed"));
-  Serial.print(F("Version: "));
-  Serial.println(version_string);
-  Serial.print(F("CPU-Speed: "));
-  Serial.print(F_CPU / 1000000.0, 1);
-  Serial.println(F(" MHz"));
-  for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-  {
-    Serial.print(F("Instance "));
-    Serial.print(instance_id);
-    Serial.print(F(": "));
-    Serial.print(MicroDexed[instance_id]->getMaxNotes());
-    Serial.println(F(" voices"));
-  }
-  Serial.println(F("<setup start>"));
-  Serial.flush();
-#endif
-
   initial_values_from_eeprom(false);
 
   // start SD card
@@ -1597,7 +1600,7 @@ void initial_values_from_eeprom(bool init)
   set_fx_params();
   set_sys_params();
   set_volume(configuration.sys.vol, configuration.sys.mono);
-  
+
 #ifdef DEBUG
   show_configuration();
 #endif
@@ -1961,7 +1964,7 @@ void set_voiceconfig_params(uint8_t instance_id)
   MicroDexed[instance_id]->ControllersRefresh();
   MicroDexed[instance_id]->setOPAll(configuration.dexed[instance_id].op_enabled);
   MicroDexed[instance_id]->doRefreshVoice();
-  MicroDexed[instance_id]->setMonoMode(configuration.sys.mono);
+  MicroDexed[instance_id]->setMonoMode(configuration.dexed[instance_id].monopoly);
 
   // Dexed output level
   MicroDexed[instance_id]->setGain(mapfloat(configuration.dexed[instance_id].sound_intensity, SOUND_INTENSITY_MIN, SOUND_INTENSITY_MAX, 0.0, SOUND_INTENSITY_AMP_MAX));
diff --git a/UI.hpp b/UI.hpp
index e26026b..c4384ef 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -2307,35 +2307,36 @@ void UI_func_mono_poly(uint8_t param)
 
   if (LCDML.FUNC_loop())          // ****** LOOP *********
   {
-    if ((LCDML.BT_checkDown() && encoderDir[ENC_R].Down()) || (LCDML.BT_checkUp() && encoderDir[ENC_R].Up()) || (LCDML.BT_checkEnter() && encoderDir[ENC_R].ButtonShort()))
+    if ((LCDML.BT_checkDown() && encoderDir[ENC_R].Down()) || (LCDML.BT_checkUp() && encoderDir[ENC_R].Up()))
     {
       if (LCDML.BT_checkDown())
         configuration.dexed[selected_instance_id].monopoly = constrain(configuration.dexed[selected_instance_id].monopoly + 1, MONOPOLY_MIN, MONOPOLY_MAX);
       else if (LCDML.BT_checkUp())
         configuration.dexed[selected_instance_id].monopoly = constrain(configuration.dexed[selected_instance_id].monopoly - 1, MONOPOLY_MIN, MONOPOLY_MAX);
-#if NUM_DEXED > 1
-      else if (LCDML.BT_checkEnter())
-      {
-        selected_instance_id = !selected_instance_id;
-        lcd_active_instance_number(selected_instance_id);
-        UI_update_instance_icons();
-      }
-      lcd_active_instance_number(selected_instance_id);
-#endif
-    }
 
-    MicroDexed[selected_instance_id]->setMonoMode(!configuration.dexed[selected_instance_id].monopoly);
-
-    lcd.setCursor(0, 1);
-    switch (configuration.dexed[selected_instance_id].monopoly)
+      MicroDexed[selected_instance_id]->setMonoMode(!configuration.dexed[selected_instance_id].monopoly);
+      configuration.dexed[selected_instance_id].monopoly = MicroDexed[selected_instance_id]->getMonoMode();
+    }
+#if NUM_DEXED > 1
+    if (LCDML.BT_checkEnter() && encoderDir[ENC_R].ButtonShort())
     {
-      case 0:
-        lcd.print(F("[MONOPHONIC]"));
-        break;
-      case 1:
-        lcd.print(F("[POLYPHONIC]"));
-        break;
+      selected_instance_id = !selected_instance_id;
+      lcd_active_instance_number(selected_instance_id);
+      UI_update_instance_icons();
     }
+    lcd_active_instance_number(selected_instance_id);
+#endif
+  }
+  
+  lcd.setCursor(0, 1);
+  switch (configuration.dexed[selected_instance_id].monopoly)
+  {
+    case 1:
+      lcd.print(F("[MONOPHONIC]"));
+      break;
+    case 0:
+      lcd.print(F("[POLYPHONIC]"));
+      break;
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********