diff --git a/chrome/content/zotero/platformKeys.js b/chrome/content/zotero/platformKeys.js
new file mode 100644
index 0000000000..c49f68d62a
--- /dev/null
+++ b/chrome/content/zotero/platformKeys.js
@@ -0,0 +1,14 @@
+window.addEventListener('DOMContentLoaded', () => {
+	let redoKey = document.getElementById('key_redo');
+	if (redoKey) {
+		// Don't need to depend on Zotero object here
+		if (AppConstants.platform == 'win') {
+			redoKey.setAttribute('data-l10n-id', 'text-action-redo-shortcut');
+			redoKey.setAttribute('modifiers', 'accel');
+		}
+		else {
+			redoKey.setAttribute('data-l10n-id', 'text-action-undo-shortcut');
+			redoKey.setAttribute('modifiers', 'accel,shift');
+		}
+	}
+});
diff --git a/chrome/content/zotero/reader.xhtml b/chrome/content/zotero/reader.xhtml
index 9a7fe55158..b4eb05e992 100644
--- a/chrome/content/zotero/reader.xhtml
+++ b/chrome/content/zotero/reader.xhtml
@@ -6,6 +6,7 @@
 
 <!DOCTYPE window [
 	<!ENTITY % globalDTD SYSTEM "chrome://global/locale/global.dtd"> %globalDTD;
+	<!ENTITY % editMenuOverlayDTD SYSTEM "chrome://zotero/locale/mozilla/editMenuOverlay.dtd" > %editMenuOverlayDTD;
 	<!ENTITY % standaloneDTD SYSTEM "chrome://zotero/locale/standalone.dtd" > %standaloneDTD;
 	<!ENTITY % zoteroDTD SYSTEM "chrome://zotero/locale/zotero.dtd"> %zoteroDTD;
 ]>
@@ -27,6 +28,7 @@
 		var { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
 		Services.scriptloader.loadSubScript("chrome://zotero/content/include.js", this);
 		Services.scriptloader.loadSubScript("resource://zotero/require.js", this);
+		Services.scriptloader.loadSubScript("chrome://zotero/content/platformKeys.js", this);
 
 		// Mozilla scripts
 		Services.scriptloader.loadSubScript("chrome://global/content/globalOverlay.js", this);
@@ -67,6 +69,22 @@
 			 key="&minimizeWindow.key;"
 			 modifiers="accel"/>
 	</keyset>
+
+	<keyset id="editMenuKeys">
+		<key id="key_undo" data-l10n-id="text-action-undo-shortcut" modifiers="accel" command="cmd_undo"/>
+		<!-- l10n and modifiers set in platformKeys.js -->
+		<key id="key_redo" command="cmd_redo"/>
+		<key id="key_cut" data-l10n-id="text-action-cut-shortcut" modifiers="accel" command="cmd_cut"/>
+		<key id="key_copy" data-l10n-id="text-action-copy-shortcut" modifiers="accel" command="cmd_copy"/>
+		<key id="key_paste" data-l10n-id="text-action-paste-shortcut" modifiers="accel" command="cmd_paste"/>
+		<key id="key_delete" keycode="VK_DELETE" command="cmd_delete"/>
+		<key id="key_selectAll" data-l10n-id="text-action-select-all-shortcut" modifiers="accel" command="cmd_selectAll"/>
+		<key id="key_find" key="&findCmd.key;" modifiers="accel" command="cmd_find"/>
+		<key id="key_findAgain" key="&findAgainCmd.key;" modifiers="accel" command="cmd_findAgain"/>
+		<key id="key_findPrevious" key="&findAgainCmd.key;" modifiers="shift,accel" command="cmd_findPrevious"/>
+		<key id="key_findAgain2" keycode="&findAgainCmd.key2;" command="cmd_findAgain"/>
+		<key id="key_findPrevious2" keycode="&findAgainCmd.key2;" modifiers="shift" command="cmd_findPrevious"/>
+	</keyset>
 	
 	<!-- TODO: Localize -->
 	<tooltip id="iframeTooltip" page="true"/>
diff --git a/chrome/content/zotero/zoteroPane.xhtml b/chrome/content/zotero/zoteroPane.xhtml
index ef314b3ddc..4d6e87877b 100644
--- a/chrome/content/zotero/zoteroPane.xhtml
+++ b/chrome/content/zotero/zoteroPane.xhtml
@@ -65,6 +65,7 @@
 		
 		Services.scriptloader.loadSubScript("resource://zotero/require.js", this);
 		Services.scriptloader.loadSubScript("chrome://zotero/content/standalone/standalone.js", this);
+		Services.scriptloader.loadSubScript("chrome://zotero/content/platformKeys.js", this);
 		
 		// Mozilla scripts
 		Services.scriptloader.loadSubScript("chrome://global/content/globalOverlay.js", this);
@@ -133,22 +134,10 @@
 		<key id="key_forward"/>
 	</keyset>
     
-    <!--
-    
-    TODO: Customize per platform without ifdef?
-    
     <keyset id="editMenuKeys">
 		<key id="key_undo" data-l10n-id="text-action-undo-shortcut" modifiers="accel" command="cmd_undo"/>
-		<key id="key_redo"
-		
-#ifdef XP_UNIX
-			data-l10n-id="text-action-undo-shortcut"
-			modifiers="accel,shift"
-#else
-			data-l10n-id="text-action-redo-shortcut"
-			modifiers="accel"
-#endif
-			command="cmd_redo"/>
+		<!-- l10n and modifiers set in platformKeys.js -->
+		<key id="key_redo" command="cmd_redo"/>
 		<key id="key_cut" data-l10n-id="text-action-cut-shortcut" modifiers="accel" command="cmd_cut"/>
 		<key id="key_copy" data-l10n-id="text-action-copy-shortcut" modifiers="accel" command="cmd_copy"/>
 		<key id="key_paste" data-l10n-id="text-action-paste-shortcut" modifiers="accel" command="cmd_paste"/>
@@ -160,8 +149,6 @@
 		<key id="key_findAgain2" keycode="&findAgainCmd.key2;" command="cmd_findAgain"/>
 		<key id="key_findPrevious2" keycode="&findAgainCmd.key2;" modifiers="shift" command="cmd_findPrevious"/>
 	</keyset>
-  
-  -->
 	
 	<vbox id="titlebar">
 		<hbox id="titlebar-buttonbox-container" skipintoolbarset="true">