diff --git a/lib/loadByFileSync.js b/lib/loadByFileSync.js
index 7b6f5fd..dfabbf7 100644
--- a/lib/loadByFileSync.js
+++ b/lib/loadByFileSync.js
@@ -21,28 +21,33 @@ module.exports = function( packagePath ) {
 	var jsFiles = xml.get(
 						'//xmlns:JavaScript',
 						'http://schemas.desire2learn.com/xml/schemas/package.xsd'
-					).childNodes();
+					);
 	filePaths.JavaScript = [];
-	jsFiles.forEach(function( jsFile ) {
-		var filePath = jsFile.attr("Path");
-		if( filePath ) {
-			filePath = path.join( dir, filePath.value() );
-			filePaths.JavaScript.push( filePath );
-		}
-	});
+	if( jsFiles ) {
+		jsFiles.childNodes().forEach(function( jsFile ) {
+			var filePath = jsFile.attr("Path");
+			if( filePath ) {
+				filePath = path.join( dir, filePath.value() );
+				filePaths.JavaScript.push( filePath );
+			}
+		});
+	}
 
 	var cssFiles = xml.get(
 						'//xmlns:Css',
 						'http://schemas.desire2learn.com/xml/schemas/package.xsd'
-					).childNodes();
+					);
+
 	filePaths.Css = [];
-	cssFiles.forEach(function( jsFile ) {
-		var filePath = jsFile.attr("Path");
-		if( filePath ) {
-			filePath = path.join( dir, filePath.value() );
-			filePaths.Css.push( filePath );
-		}
-	});
+	if( cssFiles ) {
+		cssFiles.childNodes().forEach( function( cssFile ) {
+			var filePath = cssFile.attr("Path");
+			if( filePath ) {
+				filePath = path.join( dir, filePath.value() );
+				filePaths.Css.push( filePath );
+			}
+		});
+	}
 
 	return filePaths;
 
diff --git a/test/data/test3.package.xml b/test/data/test3.package.xml
new file mode 100644
index 0000000..58c46ac
--- /dev/null
+++ b/test/data/test3.package.xml
@@ -0,0 +1,7 @@
+<Package Name="TestPackage3" xmlns="http://schemas.desire2learn.com/xml/schemas/package.xsd">
+	<JavaScript>
+		<File Path="file3.js" />
+		<File Path="file4.js" />
+		<File/>
+	</JavaScript>
+</Package>
diff --git a/test/data/test4.package.xml b/test/data/test4.package.xml
new file mode 100644
index 0000000..c8c32f4
--- /dev/null
+++ b/test/data/test4.package.xml
@@ -0,0 +1,7 @@
+<Package Name="TestPackage4" xmlns="http://schemas.desire2learn.com/xml/schemas/package.xsd">
+	<Css>
+		<File Path="file3.css" />
+		<File Path="file4.css" />
+		<File/>
+	</Css>
+</Package>
diff --git a/test/loadByFileSpec.js b/test/loadByFileSpec.js
index 5ca9362..cb33b4c 100644
--- a/test/loadByFileSpec.js
+++ b/test/loadByFileSpec.js
@@ -49,4 +49,14 @@ describe( 'Load By File (Synchronous)', function() {
 		}).toThrow();
 	} );
 
+	it( 'Should not fail with missing Css list.', function() {
+		var files = webPackageReader.loadByFileSync( path.join( dataPath, 'test3.package.xml' ) );
+		expect( files.Css.length ).toBe( 0 );
+	});
+
+	it( 'Should not fail with missing JavaScript list.', function() {
+		var files = webPackageReader.loadByFileSync( path.join( dataPath, 'test4.package.xml' ) );
+		expect( files.JavaScript.length ).toBe( 0 );
+	});
+
 } );