diff --git a/chrome/content/zotero/standalone/standalone.xul b/chrome/content/zotero/standalone/standalone.xul
index 84abd53be7..8c28404235 100644
--- a/chrome/content/zotero/standalone/standalone.xul
+++ b/chrome/content/zotero/standalone/standalone.xul
@@ -237,6 +237,7 @@
 							<menuitem
 								id="view-menuitem-hand-tool"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.handTool;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchcursortool_hand')"
 							/>
@@ -244,18 +245,21 @@
 							<menuitem
 								id="view-menuitem-vertical-scrolling"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.verticalScrolling;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchscrollmode_vertical')"
 							/>
 							<menuitem
 								id="view-menuitem-horizontal-scrolling"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.horizontalScrolling;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchscrollmode_horizontal')"
 							/>
 							<menuitem
 								id="view-menuitem-wrapped-scrolling"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.wrappedScrolling;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchscrollmode_wrapped')"
 							/>
@@ -263,18 +267,21 @@
 							<menuitem
 								id="view-menuitem-no-spreads"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.noSpreads;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchspreadmode_none')"
 							/>
 							<menuitem
 								id="view-menuitem-odd-spreads"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.oddSpreads;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchspreadmode_odd')"
 							/>
 							<menuitem
 								id="view-menuitem-even-spreads"
 								class="menu-type-reader"
+								type="checkbox"
 								label="&zotero.pdfReader.evenSpreads;"
 								oncommand="ZoteroStandalone.onReaderCmd('switchspreadmode_even')"
 							/>
diff --git a/chrome/content/zotero/xpcom/editorInstance.js b/chrome/content/zotero/xpcom/editorInstance.js
index 85c0384116..5faae4da56 100644
--- a/chrome/content/zotero/xpcom/editorInstance.js
+++ b/chrome/content/zotero/xpcom/editorInstance.js
@@ -847,6 +847,9 @@ class EditorInstance {
 						menuitem.setAttribute('value', item.name);
 						menuitem.setAttribute('label', item.label);
 						menuitem.setAttribute('disabled', !item.enabled);
+						if (item.checked) {
+							menuitem.setAttribute('type', 'checkbox');
+						}
 						menuitem.setAttribute('checked', item.checked);
 						menuitem.addEventListener('command', () => {
 							this._postMessage({
@@ -901,6 +904,7 @@ class EditorInstance {
 		var menuitem = this._popup.ownerDocument.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('spellCheck.checkSpelling'));
 		menuitem.setAttribute('checked', spellChecker.enabled);
+		menuitem.setAttribute('type', 'checkbox');
 		menuitem.addEventListener('command', () => {
 			// Possible values: 0 - off, 1 - only multi-line, 2 - multi and single line input boxes
 			Zotero.Prefs.set('layout.spellcheckDefault', spellChecker.enabled ? 0 : 1, true);
diff --git a/chrome/content/zotero/xpcom/reader.js b/chrome/content/zotero/xpcom/reader.js
index 8e6da161db..91c6b6a681 100644
--- a/chrome/content/zotero/xpcom/reader.js
+++ b/chrome/content/zotero/xpcom/reader.js
@@ -332,6 +332,7 @@ class ReaderInstance {
 		// Zoom 'Auto'
 		menuitem = this._window.document.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('pdfReader.zoomAuto'));
+		menuitem.setAttribute('type', 'checkbox');
 		menuitem.setAttribute('checked', data.isZoomAuto);
 		menuitem.addEventListener('command', () => {
 			this._postMessage({ action: 'popupCmd', cmd: 'zoomAuto' });
@@ -340,6 +341,7 @@ class ReaderInstance {
 		// Zoom 'Page Width'
 		menuitem = this._window.document.createElement('menuitem');
 		menuitem.setAttribute('label', Zotero.getString('pdfReader.zoomPageWidth'));
+		menuitem.setAttribute('type', 'checkbox');
 		menuitem.setAttribute('checked', data.isZoomPageWidth);
 		menuitem.addEventListener('command', () => {
 			this._postMessage({ action: 'popupCmd', cmd: 'zoomPageWidth' });