diff --git a/docs/example-widget-grouping.html b/docs/example-widget-grouping.html
index c23b52c2..2cc2898f 100644
--- a/docs/example-widget-grouping.html
+++ b/docs/example-widget-grouping.html
@@ -165,6 +165,7 @@ tr.group-header.collapsed td i {
 			<li>This widget will <strong>only work</strong> in tablesorter version 2.8+ and jQuery version 1.7+.</li>
 			<li>Please do not use this widget in very large tables (it might be really slow) <del>or when your table includes multiple tbodies</del>.<br><br></li>
 
+			<li>In <span class="version updated">v2.25.4</span>, the zebra widget is reapplied to the table after opening a collapsed group.</li>
 			<li>In <span class="version">v2.24.1</span>
 				<ul>
 					<li>Added <code>"group-text"</code> group type to the Header Class Names. This class name will use the all of the text from the cell (this would essentially be the same as using "group-word-999").</li>
@@ -381,7 +382,7 @@ group_separator : /[/.]/</pre>
 					</tr>
 
 					<tr id="group_enforcesort">
-						<td><a href="#" class="permalink">group_enforceSort</a></td>
+						<td><span class="permalink">group_enforceSort</span></td>
 						<td><code>true</code></td>
 						<td>
 							Only allow <code>group_forceColumn</code> to work when a sort is applied to the table (<span class="version">v2.23.3</span>).
diff --git a/docs/index.html b/docs/index.html
index 1cca15aa..02df2edf 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -475,7 +475,7 @@
 		<li><span class="label label-info">Beta</span> <a href="example-widget-formatter.html">Formatter widget</a> (<span class="version">v2.19.1</span>).</li>
 		<li>Grouping rows widget:
 			<ul>
-				<li><a href="example-widget-grouping.html">basic</a> (v2.8; <span class="version updated">v2.24.4</span>).</li>
+				<li><a href="example-widget-grouping.html">basic</a> (v2.8; <span class="version updated">v2.25.4</span>).</li>
 				<li><a href="example-widget-grouping-filter-childrows.html">Grouping + filter + child rows</a> (<span class="updated version">v2.15.12</span>).</li>
 			</ul>
 		</li>
diff --git a/js/widgets/widget-grouping.js b/js/widgets/widget-grouping.js
index 8691995f..48c26c88 100644
--- a/js/widgets/widget-grouping.js
+++ b/js/widgets/widget-grouping.js
@@ -251,10 +251,14 @@
 					$this.toggleClass('collapsed');
 					// nextUntil requires jQuery 1.4+
 					$this.nextUntil('tr.group-header').toggleClass('group-hidden', $this.hasClass('collapsed') );
+					isCollapsed = $this.hasClass('collapsed');
+					// reapply zebra widget after opening collapsed group - see #1156
+					if (!isCollapsed && ts.hasWidget(c.$table, 'zebra')) {
+						ts.applyWidgetId(c.$table, 'zebra');
+					}
 					// save collapsed groups
 					if (wo.group_saveGroups && ts.storage) {
 						$groups = c.$table.find('.group-header');
-						isCollapsed = $this.hasClass('collapsed');
 						if (!wo.group_collapsedGroups[wo.group_collapsedGroup]) {
 							wo.group_collapsedGroups[wo.group_collapsedGroup] = [];
 						}