diff --git a/browser/css/jsdialogs.css b/browser/css/jsdialogs.css
index d32ea70e8771..2b7b56124ed0 100644
--- a/browser/css/jsdialogs.css
+++ b/browser/css/jsdialogs.css
@@ -432,7 +432,7 @@ input[type='checkbox'].autofilter, .jsdialog input[type='checkbox'] {
 	margin: 1px 8px;
 }
 
-[data-theme='dark'] input[type='checkbox'].autofilter, .jsdialog input[type='checkbox'] {
+[data-theme='dark'] input[type='checkbox'].autofilter, [data-theme='dark'] .jsdialog input[type='checkbox'] {
 	background: url('images/dark/lc_checkboxoff.svg') no-repeat center;
 }
 
@@ -441,7 +441,7 @@ input[type='checkbox']:checked.autofilter, .jsdialog input[type='checkbox']:chec
 	background-image: url('images/lc_checkbox.svg');
 }
 
-[data-theme='dark'] input[type='checkbox']:checked.autofilter, .jsdialog input[type='checkbox']:checked {
+[data-theme='dark'] input[type='checkbox']:checked.autofilter, [data-theme='dark'] .jsdialog input[type='checkbox']:checked {
 	background-image: url('images/dark/lc_checkbox.svg');
 }
 
@@ -1771,4 +1771,4 @@ kbd,
 /* clipboard warning dialog */
 #modal-dialog-copy_paste_download_progress .ui-dialog-content {
 	width: 450px;
-}
\ No newline at end of file
+}