diff --git a/themes/codeMirror/darkbrewery.js b/themes/codeMirror/darkbrewery.js
index 4dca1e466..d9a6a74e8 100644
--- a/themes/codeMirror/darkbrewery.js
+++ b/themes/codeMirror/darkbrewery.js
@@ -54,7 +54,7 @@ export default EditorView.theme({
 	'.cm-activeLine' : {
 		backgroundColor : '#868c9323',
 	},
-	'.cm-selected' : {
+	'.cm-selectionBackground ' : {
 		backgroundColor : '#d7d4f0',
 	},
 	'.cm-pageLine' : {
diff --git a/themes/codeMirror/default.js b/themes/codeMirror/default.js
index 0625ded76..78579a123 100644
--- a/themes/codeMirror/default.js
+++ b/themes/codeMirror/default.js
@@ -42,7 +42,7 @@ export default EditorView.theme({
 	'.cm-gutterElement.cm-activeLineGutter' : {
 		backgroundColor : '#becee374',
 	},
-	'.cm-selected' : {
+	'.cm-selectionBackground ' : {
 		backgroundColor : '#d7d4f0',
 	},
 	'.cm-foldmarker' : {