diff --git a/android/.classpath b/android/.classpath
index 9b835d7..ab0f675 100644
--- a/android/.classpath
+++ b/android/.classpath
@@ -7,5 +7,10 @@
 	<classpathentry kind="lib" path="/Users/hknoechel/Library/Application Support/Titanium/mobilesdk/osx/6.2.0.v20170906064110/android/titanium.jar"/>
 	<classpathentry kind="lib" path="/Users/hknoechel/Library/Application Support/Titanium/mobilesdk/osx/6.2.0.v20170906064110/android/kroll-common.jar"/>
 	<classpathentry kind="lib" path="/Users/hknoechel/Library/Application Support/Titanium/mobilesdk/osx/6.2.0.v20170906064110/android/kroll-apt.jar"/>
+	<classpathentry kind="src" path=".apt_generated">
+		<attributes>
+			<attribute name="optional" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>