diff --git a/HellionChat/Ui/Components/Sidebar.cs b/HellionChat/Ui/Components/Sidebar.cs
index b0b4a02..1a2c890 100644
--- a/HellionChat/Ui/Components/Sidebar.cs
+++ b/HellionChat/Ui/Components/Sidebar.cs
@@ -486,7 +486,11 @@ internal sealed class Sidebar
         ImGui.PopID();
     }
 
-    private static FontAwesomeIcon ResolveTabIcon(Tab tab)
+    // internal since v1.13.0: the channel header shows the same icon as the row
+    // in here, and it has to resolve it the same way. IconByName alone would not
+    // do -- it only answers for a tab with an explicitly chosen icon, and the
+    // default is none, so most tabs fall through to the derivation below.
+    internal static FontAwesomeIcon ResolveTabIcon(Tab tab)
     {
         if (
             !string.IsNullOrWhiteSpace(tab.Icon) && IconByName.TryGetValue(tab.Icon, out var mapped)