diff --git a/core/ui/PageTemplate/sidebar.tid b/core/ui/PageTemplate/sidebar.tid
index 1acf42351..dabde4300 100644
--- a/core/ui/PageTemplate/sidebar.tid
+++ b/core/ui/PageTemplate/sidebar.tid
@@ -10,9 +10,9 @@ $:/config/SideBarSegments/Visibility/$(listItem)$
 
 <%if [{$:/state/sidebar}!match[no]] %>
 
-<$eventcatcher tag="div" selector=".tc-sidebar-resizer" matchSelector=".tc-sidebar-resizer" $pointerup={{{ [[$:/state/sidebar/resizing]!is[missing]then<sidebar-resizer-pointerup-actions>] }}}>
+<$eventcatcher tag="div" class="tc-sidebar-resizer-pointermove-eventcatcher-wrapper" selector=".tc-sidebar-resizer" matchSelector=".tc-sidebar-resizer" $pointerup={{{ [[$:/state/sidebar/resizing]!is[missing]then<sidebar-resizer-pointerup-actions>] }}}>
 
-<$eventcatcher tag="div" selector=".tc-sidebar-resizer-pointermove" matchSelector=".tc-sidebar-resizer-pointermove" class="tc-sidebar-resizer-pointermove-eventcatcher" $pointerup=<<sidebar-resizer-pointerup-actions>> $pointerleave=<<sidebar-resizer-pointerup-actions>> $pointerout=<<sidebar-resizer-pointerup-actions>>  $pointermove=<<sidebar-resizer-pointermove-actions>>>
+<$eventcatcher tag="div" selector=".tc-sidebar-resizer-pointermove" matchSelector=".tc-sidebar-resizer-pointermove" class="tc-sidebar-resizer-pointermove-eventcatcher" $pointerup=<<sidebar-resizer-pointerup-actions>> $pointerleave=<<sidebar-resizer-pointerup-actions>> $pointerout=<<sidebar-resizer-pointerup-actions>> $pointercancel=<<sidebar-resizer-pointerup-actions>> $pointermove=<<sidebar-resizer-pointermove-actions>>>
 
 <div class="tc-sidebar-resizer-pointermove"/>
 
diff --git a/themes/tiddlywiki/vanilla/sidebar-resizer.tid b/themes/tiddlywiki/vanilla/sidebar-resizer.tid
index 308b43ab7..5995b1417 100644
--- a/themes/tiddlywiki/vanilla/sidebar-resizer.tid
+++ b/themes/tiddlywiki/vanilla/sidebar-resizer.tid
@@ -142,7 +142,7 @@ code-body: yes
 
 	<%if [{$:/state/sidebar}match[no]] %>
 
-		.tc-sidebar-resizer-pointermove-eventcatcher, .tc-sidebar-resizer {
+		tc-sidebar-resizer-pointermove-eventcatcher-wrapper, .tc-sidebar-resizer-pointermove-eventcatcher, .tc-sidebar-resizer {
 			display: none;
 		}
 
@@ -152,7 +152,7 @@ code-body: yes
 
 @media (max-width: <<sidebarbreakpoint-minus-one>>) {
 
-	.tc-sidebar-resizer-pointermove-eventcatcher, .tc-sidebar-resizer {
+	.tc-sidebar-resizer-pointermove-eventcatcher-wrapper, .tc-sidebar-resizer-pointermove-eventcatcher, .tc-sidebar-resizer {
 		display: none;
 	}
 }
\ No newline at end of file