diff --git a/data/theme/gnome-shell-sass/widgets/_end-session-dialog.scss b/data/theme/gnome-shell-sass/widgets/_end-session-dialog.scss
index 15b975f12..73116b86a 100644
--- a/data/theme/gnome-shell-sass/widgets/_end-session-dialog.scss
+++ b/data/theme/gnome-shell-sass/widgets/_end-session-dialog.scss
@@ -24,7 +24,7 @@ $end_session_dialog_width: 28em;
   }
 }
 
-.end-session-dialog-warning {
+.end-session-dialog-battery-warning {
   width: $end_session_dialog_width;
   color: $warning_color;
   padding-top: 6px;
@@ -77,4 +77,4 @@ $end_session_dialog_width: 28em;
 .end-session-dialog-app-list-item-description {
   color: darken($fg_color,5%);
   @include fontsize($base_font_size - 1);
-}
\ No newline at end of file
+}
diff --git a/js/ui/endSessionDialog.js b/js/ui/endSessionDialog.js
index 797239449..7c8961d3b 100644
--- a/js/ui/endSessionDialog.js
+++ b/js/ui/endSessionDialog.js
@@ -297,7 +297,7 @@ class EndSessionDialog extends ModalDialog.ModalDialog {
         this._checkBox.connect('clicked', this._sync.bind(this));
         messageLayout.add(this._checkBox);
 
-        this._batteryWarning = new St.Label({ style_class: 'end-session-dialog-warning',
+        this._batteryWarning = new St.Label({ style_class: 'end-session-dialog-battery-warning',
                                               text: _("Running on battery power: Please plug in before installing updates.") });
         this._batteryWarning.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
         this._batteryWarning.clutter_text.line_wrap = true;