diff --git a/django/views/templates/technical_404.html b/django/views/templates/technical_404.html
index aeba2daf9c..c47dae22af 100644
--- a/django/views/templates/technical_404.html
+++ b/django/views/templates/technical_404.html
@@ -26,7 +26,7 @@
 <body>
   <div id="summary">
     <h1>Page not found <span>(404)</span></h1>
-    {% if reason %}<pre class="exception_value">{{ reason }}</pre>{% endif %}
+    {% if reason and resolved %}<pre class="exception_value">{{ reason }}</pre>{% endif %}
     <table class="meta">
       <tr>
         <th>Request Method:</th>
diff --git a/tests/view_tests/tests/test_debug.py b/tests/view_tests/tests/test_debug.py
index 28734434f3..9c85ed20fc 100644
--- a/tests/view_tests/tests/test_debug.py
+++ b/tests/view_tests/tests/test_debug.py
@@ -122,6 +122,11 @@ class DebugViewTests(SimpleTestCase):
 
     def test_404(self):
         response = self.client.get('/raises404/')
+        self.assertNotContains(
+            response,
+            '<pre class="exception_value">',
+            status_code=404,
+        )
         self.assertContains(
             response,
             '<p>The current path, <code>not-in-urls</code>, didn’t match any '
@@ -133,6 +138,11 @@ class DebugViewTests(SimpleTestCase):
     def test_404_not_in_urls(self):
         response = self.client.get('/not-in-urls')
         self.assertNotContains(response, "Raised by:", status_code=404)
+        self.assertNotContains(
+            response,
+            '<pre class="exception_value">',
+            status_code=404,
+        )
         self.assertContains(response, "Django tried these URL patterns", status_code=404)
         self.assertContains(
             response,
