diff --git a/src/PlanViewer.App/Controls/QuerySessionControl.Editor.cs b/src/PlanViewer.App/Controls/QuerySessionControl.Editor.cs
index 9a612ccc..a1db6987 100644
--- a/src/PlanViewer.App/Controls/QuerySessionControl.Editor.cs
+++ b/src/PlanViewer.App/Controls/QuerySessionControl.Editor.cs
@@ -315,6 +315,11 @@ private void SetStatus(string text, bool autoClear = true)
 
         StatusText.Text = text;
 
+        /* The bar is one line and trims with an ellipsis, so a long message - an error, usually -
+           is readable only on hover. Setting the tip to the same text costs nothing when it fits and
+           is the difference between a truncated error and a recoverable one when it does not. */
+        ToolTip.SetTip(StatusText, string.IsNullOrEmpty(text) ? null : text);
+
         if (autoClear && !string.IsNullOrEmpty(text))
         {
             var cts = new CancellationTokenSource();
diff --git a/src/PlanViewer.App/Controls/QuerySessionControl.QueryStore.cs b/src/PlanViewer.App/Controls/QuerySessionControl.QueryStore.cs
index ca308f82..fe2bf9b8 100644
--- a/src/PlanViewer.App/Controls/QuerySessionControl.QueryStore.cs
+++ b/src/PlanViewer.App/Controls/QuerySessionControl.QueryStore.cs
@@ -216,7 +216,12 @@ private async void QueryStore_Click(object? sender, RoutedEventArgs e)
         }
         catch (Exception ex)
         {
-            SetStatus(ex.Message.Length > 80 ? ex.Message[..80] + "..." : ex.Message, autoClear: false);
+            /* Was cut to 80 characters here before being handed to a status bar that already does
+               TextTrimming="CharacterEllipsis". The trimming is the bar's job and it does it against
+               the actual available width; doing it again in code just threw away text the control
+               would have kept, and with it the tooltip that now carries the full message. Same
+               family as #448. */
+            SetStatus(ex.Message, autoClear: false);
             return;
         }