diff --git a/test/tests/recognizePDFTest.js b/test/tests/recognizePDFTest.js
index 4f4c9402e..171420397 100644
--- a/test/tests/recognizePDFTest.js
+++ b/test/tests/recognizePDFTest.js
@@ -23,7 +23,9 @@ describe("PDF Recognition", function() {
 	});
 	
 	after(function() {
-		win.close();
+		if (win) {
+			win.close();
+		}
 	});
 
 	it("should recognize a PDF with a DOI within a collection", function* () {