diff --git a/src/dexed.cpp b/src/dexed.cpp
index da4b18e..4236e45 100644
--- a/src/dexed.cpp
+++ b/src/dexed.cpp
@@ -377,6 +377,9 @@ void Dexed::set_params(void)
   onParam(170,*p(p_op5_enable));
   onParam(171,*p(p_op6_enable));
   onParam(172,*p(p_number_of_voices));
+  onParam(173,*p(p_portamento_mode));
+  onParam(174,*p(p_portamento_gliss));
+  onParam(175,*p(p_portamento_time));
 
   if(_param_change_counter>PARAM_CHANGE_LEVEL)
   {
@@ -960,6 +963,15 @@ void Dexed::onParam(uint8_t param_num,float param_val)
       case 172:
         max_notes=data[param_num];
 	break;
+      case 173:
+        setPortamentoMode(data[173], controllers.values_[kControllerPortamentoGlissando], controllers.portamento_cc);
+        break;
+      case 174:
+        setPortamentoMode(controllers.portamento_enable_cc, data[174], controllers.portamento_cc);
+        break;
+      case 175:
+        setPortamentoMode(controllers.portamento_enable_cc, controllers.values_[kControllerPortamentoGlissando], data[175]);
+        break;
     }
 
     TRACE("Done: Parameter %d changed from %d to %d",param_num, tmp, data[param_num]);
diff --git a/src/dexed.h b/src/dexed.h
index dc5e355..af3db8b 100644
--- a/src/dexed.h
+++ b/src/dexed.h
@@ -128,8 +128,8 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
     double _rate;
     uint8_t _k_rate_counter;
     uint8_t _param_change_counter;
-    float data_float[173];
-    uint8_t data[173]={
+    float data_float[176];
+    uint8_t data[176]={
       95, 29, 20, 50, 99, 95, 00, 00, 41, 00, 19, 00, 00, 03, 00, 06, 79, 00, 01, 00, 14,
       95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 00, 99, 00, 01, 00, 00,
       95, 29, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 06, 89, 00, 01, 00, 07,
@@ -144,7 +144,8 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
       01, 00, 99, 00, 99, 00, 99, 00, 99, 00,
       00,
       01, 01, 01, 01, 01, 01,
-      16
+      16,
+      0,0,0
    };
 };