diff --git a/extensions/window-list/stylesheet-dark.css b/extensions/window-list/stylesheet-dark.css
index b4c0a3b4..fbadf4d0 100644
--- a/extensions/window-list/stylesheet-dark.css
+++ b/extensions/window-list/stylesheet-dark.css
@@ -102,12 +102,12 @@
   background-color: #3f3f3f;
 }
 
-.window-list-window-preview {
+.window-list-workspace-indicator-window-preview {
   background-color: #bebebe;
   border-radius: 1px;
 }
 
-.window-list-window-preview.active {
+.window-list-workspace-indicator-window-preview.active {
   background-color: #d4d4d4;
 }
 
diff --git a/extensions/window-list/stylesheet-light.css b/extensions/window-list/stylesheet-light.css
index e4d3a36c..e9352362 100644
--- a/extensions/window-list/stylesheet-light.css
+++ b/extensions/window-list/stylesheet-light.css
@@ -61,11 +61,11 @@
   border-color: #888;
 }
 
-.window-list-window-preview {
+.window-list-workspace-indicator-window-preview {
   background-color: #ededed;
   border: 1px solid #ccc;
 }
 
-.window-list-window-preview.active {
+.window-list-workspace-indicator-window-preview.active {
   background-color: #f6f5f4;
 }
diff --git a/extensions/window-list/workspaceIndicator.js b/extensions/window-list/workspaceIndicator.js
index 62ebffbd..5b11fe88 100644
--- a/extensions/window-list/workspaceIndicator.js
+++ b/extensions/window-list/workspaceIndicator.js
@@ -27,7 +27,7 @@ class WindowPreview extends St.Button {
 
     constructor(window) {
         super({
-            style_class: 'window-list-window-preview',
+            style_class: 'window-list-workspace-indicator-window-preview',
         });
 
         this._delegate = this;