diff --git a/chrome/content/zotero/tabs.js b/chrome/content/zotero/tabs.js
index 26a239f6a4..f6a0160765 100644
--- a/chrome/content/zotero/tabs.js
+++ b/chrome/content/zotero/tabs.js
@@ -208,6 +208,9 @@ var Zotero_Tabs = new function () {
 			if (tab.id == this._selectedID) {
 				this.select(this._prevSelectedID || (this._tabs[tabIndex + 1] || this._tabs[tabIndex - 1]).id);
 			}
+			if (tab.id == this._prevSelectedID) {
+				this._prevSelectedID = null;
+			}
 			this._tabs.splice(tabIndex, 1);
 			document.getElementById(tab.id).remove();
 			if (tab.onClose) {