diff --git a/mod/assign/classes/output/renderer.php b/mod/assign/classes/output/renderer.php
index b280f771ed5..a6da1a60334 100644
--- a/mod/assign/classes/output/renderer.php
+++ b/mod/assign/classes/output/renderer.php
@@ -1060,7 +1060,7 @@ class renderer extends \plugin_renderer_base {
             $link = '';
             if ($showviewlink) {
                 $previewstr = get_string('viewsubmission', 'assign');
-                $icon = $this->output->pix_icon('t/preview', $previewstr);
+                $icon = $this->output->pix_icon('t/viewdetails', $previewstr);
 
                 $expandstr = get_string('viewfull', 'assign');
                 $expandicon = $this->output->pix_icon('t/switch_plus', $expandstr);
@@ -1177,7 +1177,7 @@ class renderer extends \plugin_renderer_base {
             $link = '';
             if ($showviewlink) {
                 $previewstr = get_string('viewfeedback', 'assign');
-                $icon = $this->output->pix_icon('t/preview', $previewstr);
+                $icon = $this->output->pix_icon('t/viewdetails', $previewstr);
 
                 $expandstr = get_string('viewfull', 'assign');
                 $expandicon = $this->output->pix_icon('t/switch_plus', $expandstr);
diff --git a/mod/assign/gradingtable.php b/mod/assign/gradingtable.php
index 7be5633e8e1..0fb47d3f0d7 100644
--- a/mod/assign/gradingtable.php
+++ b/mod/assign/gradingtable.php
@@ -1597,7 +1597,7 @@ class assign_grading_table extends table_sql implements renderable {
         $separator = '';
         if ($showviewlink) {
             $viewstr = get_string('view' . substr($plugin->get_subtype(), strlen('assign')), 'assign');
-            $icon = $this->output->pix_icon('t/preview', $viewstr);
+            $icon = $this->output->pix_icon('t/viewdetails', $viewstr);
             $urlparams = array('id' => $this->assignment->get_course_module()->id,
                                                      'sid' => $item->id,
                                                      'gid' => $item->id,