diff --git a/companion/src/modeledit/customfunctions.cpp b/companion/src/modeledit/customfunctions.cpp
index b8c5d4253..d571fb39b 100644
--- a/companion/src/modeledit/customfunctions.cpp
+++ b/companion/src/modeledit/customfunctions.cpp
@@ -680,7 +680,7 @@ void CustomFunctionsPanel::populateFuncParamCB(QComboBox *b, uint function, unsi
     b->setCurrentIndex(value);
   }
   else if (function==FuncVolume) {
-    populateSourceCB(b, RawSource(value), model, POPULATE_SOURCES|POPULATE_TRIMS);
+    populateSourceCB(b, RawSource(value), model, POPULATE_SOURCES|POPULATE_VIRTUAL_INPUTS|POPULATE_TRIMS);
   }
   else if (function==FuncPlayValue) {
     populateSourceCB(b, RawSource(value), model, POPULATE_SOURCES|POPULATE_VIRTUAL_INPUTS|POPULATE_SWITCHES|POPULATE_GVARS|POPULATE_TRIMS|POPULATE_TELEMETRYEXT);
diff --git a/companion/src/modeledit/heli.cpp b/companion/src/modeledit/heli.cpp
index d5034ecff..07d2ac418 100644
--- a/companion/src/modeledit/heli.cpp
+++ b/companion/src/modeledit/heli.cpp
@@ -28,7 +28,7 @@ void HeliPanel::update()
   lock = true;
 
   ui->swashTypeCB->setCurrentIndex(model->swashRingData.type);
-  populateSourceCB(ui->swashCollectiveCB, model->swashRingData.collectiveSource, model, POPULATE_SOURCES | POPULATE_SWITCHES | POPULATE_TRIMS);
+  populateSourceCB(ui->swashCollectiveCB, model->swashRingData.collectiveSource, model, POPULATE_SOURCES | POPULATE_VIRTUAL_INPUTS | POPULATE_SWITCHES | POPULATE_TRIMS);
   ui->swashRingValSB->setValue(model->swashRingData.value);
   ui->swashInvertELE->setChecked(model->swashRingData.invertELE);
   ui->swashInvertAIL->setChecked(model->swashRingData.invertAIL);