diff --git a/src/back/backlasses.cpp b/src/back/backlasses.cpp
index 6c16ceb..488ba86 100644
--- a/src/back/backlasses.cpp
+++ b/src/back/backlasses.cpp
@@ -42,7 +42,7 @@ HRESULT EndpointCallback::OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA pNotify) {
 	//TODO: MEMORY LEAK. FREE DATA4 FROM NGUID.
 	//TODO: el default = objcopy frees?
 	//delete osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->caller;		
-	memcpy(osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->caller, &pNotify->guidEventContext,sizeof(NGuid) );
+	memcpy(&osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->caller, &pNotify->guidEventContext,sizeof(NGuid) );
 	
 	osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->muted = pNotify->bMuted; 
 	osh->getEndpointHandlers().at(this->ep->getIndex())->getCallbackInfo()->mainVolume = pNotify->fMasterVolume;
diff --git a/src/cont/contclasses.h b/src/cont/contclasses.h
index acfa66b..2e3e053 100644
--- a/src/cont/contclasses.h
+++ b/src/cont/contclasses.h
@@ -21,7 +21,7 @@ struct NGuid {
 };
 
 struct BackEndpointCallbackInfo {
-	NGuid* caller = new NGuid();
+	NGuid caller;
 	bool  muted;
 	float mainVolume;
 	size_t  channels;
diff --git a/src/qt/qtclasses.cpp b/src/qt/qtclasses.cpp
index 4da3f95..74900de 100644
--- a/src/qt/qtclasses.cpp
+++ b/src/qt/qtclasses.cpp
@@ -94,7 +94,7 @@ EndpointWidget::EndpointWidget(uint64_t idx, EndpointHandler* eph, QWidget *pare
 
 		//TODO: el default = objcopy frees?
 		//delete eph->getCallbackInfo()->caller;
-		*eph->getCallbackInfo()->caller = *osh->getGuid();
+		eph->getCallbackInfo()->caller = *osh->getGuid();
 		mainSlider->blockSignals(false);
 		muteButton->blockSignals(false);
 	});
@@ -188,7 +188,7 @@ void MainWindow::reloadEndpointWidgets() {
 	size_t i = 0;
 	for (; i < (osh->getEndpointHandlers().size()); i++) {
 		log_debugcpp("EPWidget creation");
-		*osh->getEndpointHandlers().at(i)->getCallbackInfo()->caller = *osh->getGuid();
+		osh->getEndpointHandlers().at(i)->getCallbackInfo()->caller = *osh->getGuid();
 		EndpointWidget *epw = new EndpointWidget(i, osh->getEndpointHandlers().at(i), widget);
 		//TODO: ALWAYS PUSH BACK??? PSZ CHANGE DIS WHEN IMPLEMENTING DYN ENDPOINT DET
 		ews.push_back(epw);