diff --git a/src/kx/K4AccessException.java b/src/kx/K4AccessException.java
index 4e337c6e..fb62b3db 100644
--- a/src/kx/K4AccessException.java
+++ b/src/kx/K4AccessException.java
@@ -1,7 +1,7 @@
 package kx;
 
 public class K4AccessException extends K4Exception {
-    K4AccessException() {
+    public K4AccessException() {
         super("Authentication failed");
     }
 }
diff --git a/src/studio/ui/TabPanel.java b/src/studio/ui/TabPanel.java
index 168528b3..792c17c5 100755
--- a/src/studio/ui/TabPanel.java
+++ b/src/studio/ui/TabPanel.java
@@ -33,7 +33,7 @@ public class TabPanel extends JPanel {
     public TabPanel(StudioWindow studioWindow, QueryResult queryResult) {
         this.studioWindow = studioWindow;
         this.queryResult = queryResult;
-        if (queryResult != null) {
+        if (queryResult != null && queryResult.getError() == null ) {
             this.result = queryResult.getResult();
         }
         initComponents();
diff --git a/test-integration/studio/ui/ResultTest.java b/test-integration/studio/ui/ResultTest.java
index 2d5aaf0c..0f4ff855 100644
--- a/test-integration/studio/ui/ResultTest.java
+++ b/test-integration/studio/ui/ResultTest.java
@@ -1,5 +1,6 @@
 package studio.ui;
 
+import kx.K4AccessException;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.assertj.swing.data.TableCell;
@@ -13,6 +14,7 @@
 
 import java.awt.*;
 import java.util.Arrays;
+import java.util.regex.Pattern;
 
 public class ResultTest extends StudioTest {
 
@@ -99,7 +101,16 @@ public void testTableConnExtractor() {
         String[] labels = popupMenu.menuLabels();
         log.info("Got the following menu items {}", Arrays.toString(labels));
         Assert.assertEquals("Open b:3", labels[0]);
+    }
 
+    @Test
+    public void testAuthenticationException() {
+        MockQSession.setResponse(new K4AccessException());
+        execute();
+
+        JTextComponentFixture textArea = frameFixture.panel("resultPanel0").textBox();
+        textArea.requireText(Pattern.compile(".*error.*Authentication failed.*", Pattern.DOTALL));
     }
 
+
 }