diff --git a/barnard.go b/barnard.go
index 382b0aa..4716ac7 100644
--- a/barnard.go
+++ b/barnard.go
@@ -110,6 +110,12 @@ func (b *Barnard) cleanupToneTestAudio() {
 	}
 }
 
+func (b *Barnard) updateUserGain(user *gumble.User) {
+	if b.Stream != nil {
+		b.Stream.UpdateUserGain(user)
+	}
+}
+
 func (b *Barnard) StopTransmission() {
 	if b.Tx {
 		b.Notify("micdown", "me", "")
@@ -165,7 +171,7 @@ func (b *Barnard) TreeItemKeyPress(ui *uiterm.Ui, tree *uiterm.Tree, item uiterm
 					b.UserConfig.ToggleMute(u)
 				}
 
-				b.Stream.UpdateUserGain(u)
+				b.updateUserGain(u)
 			}
 
 			// Update channel mute state
@@ -197,7 +203,7 @@ func (b *Barnard) TreeItemKeyPress(ui *uiterm.Ui, tree *uiterm.Tree, item uiterm
 		if key == *b.Hotkeys.MuteToggle {
 			// Toggle mute for single user
 			b.UserConfig.ToggleMute(treeItem.User)
-			b.Stream.UpdateUserGain(treeItem.User)
+			b.updateUserGain(treeItem.User)
 			b.RebuildUserChannelTreePreservingSelection()
 			b.Ui.Refresh()
 		}