diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index a0b43450e6..fe4d3df658 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -242,10 +242,9 @@ Zotero.Translate.Sandbox = {
 			};
 			safeTranslator.setDocument = function(arg) {
 				if (Zotero.isFx && !Zotero.isBookmarklet) {
-					if (arg.wrappedJSObject && arg.wrappedJSObject.__wrappedObject) {
-						arg = arg.wrappedJSObject.__wrappedObject;
-					}
-					return translation.setDocument(new XPCNativeWrapper(arg));
+					return translation.setDocument(
+						Zotero.Translate.DOMWrapper.wrap(arg, arg.__wrapperOverrides)
+					);
 				} else {
 					return translation.setDocument(arg);
 				}
@@ -1774,11 +1773,15 @@ Zotero.Translate.Web.prototype._getSandboxLocation = function() {
  * Pass document and location to detect* and do* functions
  */
 Zotero.Translate.Web.prototype._getParameters = function() {
-	if (Zotero.Translate.DOMWrapper &&
-		Zotero.Translate.DOMWrapper.isWrapped(this.document) &&
-		Zotero.platformMajorVersion >= 35) {
-		return [this._sandboxManager.wrap(Zotero.Translate.DOMWrapper.unwrap(this.document), null,
-			                              this.document.__wrapperOverrides), this.location];
+	if (Zotero.Translate.DOMWrapper && Zotero.Translate.DOMWrapper.isWrapped(this.document)) {
+		return [
+			this._sandboxManager.wrap(
+				Zotero.Translate.DOMWrapper.unwrap(this.document),
+				null,
+				this.document.__wrapperOverrides
+			),
+			this.location
+		];
 	} else {
 		return [this.document, this.location];
 	}
diff --git a/chrome/content/zotero/xpcom/translation/translate_firefox.js b/chrome/content/zotero/xpcom/translation/translate_firefox.js
index 9dec029337..293cff0a8d 100644
--- a/chrome/content/zotero/xpcom/translation/translate_firefox.js
+++ b/chrome/content/zotero/xpcom/translation/translate_firefox.js
@@ -222,7 +222,11 @@ Zotero.Translate.DOMWrapper = new function() {
 		get(target, prop, receiver) {
 			if (prop === "__wrappedObject")
 				return this.wrappedObject;
-	
+			
+			if (prop == "__wrapperOverrides") {
+				return this.overrides;
+			}
+			
 			if (prop in this.overrides) {
 				return this.overrides[prop];
 			}
@@ -256,11 +260,11 @@ Zotero.Translate.DOMWrapper = new function() {
 				return { value: this.wrappedObject, writeable: true,
 								 configurable: true, enumerable: false };
 			}
-			if (name == "__wrapperOverrides") {
+			if (prop == "__wrapperOverrides") {
 				return { value: this.overrides, writeable: false, configurable: false, enumerable: false };
 			}
 			// Handle __exposedProps__.
-			if (name == "__exposedProps__") {
+			if (prop == "__exposedProps__") {
 				return { value: ExposedPropsWaiver, writable: false, configurable: false, enumerable: false };
 			}
 	
@@ -426,6 +430,7 @@ Zotero.Translate.SandboxManager = function(sandboxLocation) {
 			};
 			wrappedRet.get = function(x, prop, receiver) {
 				if (prop === "__wrappedObject") return target;
+				if (prop === "__wrapperOverrides") return overrides;
 				if (prop === "__wrappingManager") return me;
 				var y = overrides.hasOwnProperty(prop) ? overrides[prop] : target[prop];
 				if (y === null || (typeof y !== "object" && typeof y !== "function")) return y;
@@ -607,8 +612,8 @@ Zotero.Translate.ChildSandboxManager.prototype = {
 	"_makeContentForwarder":function(f) {
 		return this._parent._makeContentForwarder(f);
 	},
-	"wrap":function(x) {
-		return this._parent.wrap(x);
+	"wrap": function (target, x, overrides) {
+		return this._parent.wrap(target, x, overrides);
 	}
 }