diff --git a/chrome/content/zotero/xpcom/reader.js b/chrome/content/zotero/xpcom/reader.js
index 48e639666e..f1317910a2 100644
--- a/chrome/content/zotero/xpcom/reader.js
+++ b/chrome/content/zotero/xpcom/reader.js
@@ -200,6 +200,7 @@ class ReaderInstance {
 				...Zotero.Intl.getPrefixedStrings('pdfReader.')
 			},
 			showAnnotations: true,
+			textSelectionAnnotationMode: Zotero.Prefs.get('reader.textSelectionAnnotationMode'),
 			useDarkModeForContent: Zotero.Prefs.get('reader.contentDarkMode'),
 			fontFamily: Zotero.Prefs.get('reader.ebookFontFamily'),
 			hyphenation: Zotero.Prefs.get('reader.ebookHyphenate'),
@@ -518,6 +519,9 @@ class ReaderInstance {
 				iframe.browsingContext.textZoom = 1;
 				iframe.browsingContext.fullZoom = zoom;
 			},
+			onTextSelectionAnnotationModeChange: (mode) => {
+				Zotero.Prefs.set('reader.textSelectionAnnotationMode', mode);
+			}
 		}, this._iframeWindow, { cloneFunctions: true }));
 
 		this._resolveInitPromise();
@@ -527,6 +531,7 @@ class ReaderInstance {
 		this._prefObserverIDs = [
 			Zotero.Prefs.registerObserver('fontSize', this._handleFontSizeChange),
 			Zotero.Prefs.registerObserver('tabs.title.reader', this._handleTabTitlePrefChange),
+			Zotero.Prefs.registerObserver('reader.textSelectionAnnotationMode', this._handleTextSelectionAnnotationModeChange),
 			Zotero.Prefs.registerObserver('reader.contentDarkMode', this._handleContentDarkModeChange),
 			Zotero.Prefs.registerObserver('reader.ebookFontFamily', this._handleEbookPrefChange),
 			Zotero.Prefs.registerObserver('reader.ebookHyphenate', this._handleEbookPrefChange),
@@ -856,6 +861,10 @@ class ReaderInstance {
 		await this.updateTitle();
 	};
 
+	_handleTextSelectionAnnotationModeChange = () => {
+		this._internalReader.setTextSelectionAnnotationMode(Zotero.Prefs.get('reader.textSelectionAnnotationMode'));
+	};
+
 	_handleContentDarkModeChange = () => {
 		this._internalReader.useDarkModeForContent(Zotero.Prefs.get('reader.contentDarkMode'));
 	};
diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index 50cb8e37f4..e40cd5637a 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -222,6 +222,7 @@ pref("extensions.zotero.scaffold.eslint.enabled", true);
 pref("extensions.zotero.tabs.title.reader", "titleCreatorYear");
 
 // Reader
+pref("extensions.zotero.reader.textSelectionAnnotationMode", "highlight");
 pref("extensions.zotero.reader.contentDarkMode", true);
 pref("extensions.zotero.reader.ebookFontFamily", "Georgia, serif");
 pref("extensions.zotero.reader.ebookHyphenate", true);
diff --git a/reader b/reader
index 4b37e0e23a..58b304032a 160000
--- a/reader
+++ b/reader
@@ -1 +1 @@
-Subproject commit 4b37e0e23ae5749421acf46dc3bb73525622ae45
+Subproject commit 58b304032aba2e2372cc7ee3f588225db0e70ad6