diff --git a/src/mididevice.cpp b/src/mididevice.cpp
index 7f7d388..185a31c 100644
--- a/src/mididevice.cpp
+++ b/src/mididevice.cpp
@@ -816,9 +816,15 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
       LOGERR("Unknown SysEx message.");
       break;
     case 100:
-      // load sysex-data into voice memory
+      // Load sysex-data into voice memory
       LOGDBG("One Voice bulk upload");
       m_pSynthesizer->loadVoiceParameters(pMessage,nTG);
+      // Also update performance config so the new voice is not lost
+      if (m_pSynthesizer && m_pSynthesizer->GetPerformanceConfig()) {
+        uint8_t unpackedVoice[156];
+        m_pSynthesizer->GetCurrentVoiceData(unpackedVoice, nTG);
+        m_pSynthesizer->GetPerformanceConfig()->SetVoiceDataToTxt(unpackedVoice, nTG);
+      }
       break;
     case 200:
       LOGDBG("Bank bulk upload.");
diff --git a/src/minidexed.cpp b/src/minidexed.cpp
index 51e6444..6c4c11e 100644
--- a/src/minidexed.cpp
+++ b/src/minidexed.cpp
@@ -2498,3 +2498,9 @@ bool CMiniDexed::InitNetwork()
 		return false;
 	}
 }
+
+void CMiniDexed::GetCurrentVoiceData(uint8_t* dest, unsigned nTG) {
+    if (nTG < m_nToneGenerators && m_pTG[nTG]) {
+        m_pTG[nTG]->getVoiceData(dest);
+    }
+}
diff --git a/src/minidexed.h b/src/minidexed.h
index 8b0ee9d..55f45e8 100644
--- a/src/minidexed.h
+++ b/src/minidexed.h
@@ -244,9 +244,10 @@ public:
 	bool InitNetwork();
 	void UpdateNetwork();
 
-public:
 	void LoadPerformanceParameters(void); 
 
+	void GetCurrentVoiceData(uint8_t* dest, unsigned nTG);
+
 private:
 	int16_t ApplyNoteLimits (int16_t pitch, unsigned nTG);	// returns < 0 to ignore note
 	uint8_t m_uchOPMask[CConfig::AllToneGenerators];