diff --git a/.docker/opera/openbox.xml b/.docker/opera/openbox.xml
index fee2ab4d..bd344e2c 100644
--- a/.docker/opera/openbox.xml
+++ b/.docker/opera/openbox.xml
@@ -13,7 +13,7 @@
 
 <applications>
     <!-- Match all windows and remove their decorations (obxprop | grep "^_OB_APP") -->
-    <application class="opera" name="opera">
+    <application class="Opera" name="Opera">
       <decor>no</decor>
       <maximized>true</maximized>
       <focus>yes</focus>