diff --git a/test/tests/storageLocalTest.js b/test/tests/storageLocalTest.js
index d3ff5453e..369521129 100644
--- a/test/tests/storageLocalTest.js
+++ b/test/tests/storageLocalTest.js
@@ -124,7 +124,10 @@ describe("Zotero.Sync.Storage.Local", function () {
 			yield Zotero.File.putContentsAsync(OS.Path.join(subDir, file3Name), file3Contents);
 			
 			yield Zotero.File.zipDirectory(zipDir, zipFile);
-			yield OS.File.removeDir(zipDir);
+			// OS.File.DirectoryIterator, used by OS.File.removeDir(), isn't reliable on Travis,
+			// returning entry.isDir == false for directories, so use nsIFile instead
+			//yield OS.File.removeDir(zipDir);
+			Zotero.File.pathToFile(zipDir).remove(true);
 		});
 		
 		it("should download and extract a ZIP file into the attachment directory", function* () {