diff --git a/android-core/src/main/kotlin/com/mparticle/internal/CoreCallbacks.kt b/android-core/src/main/kotlin/com/mparticle/internal/CoreCallbacks.kt
index fc9b243da..79ad4a98b 100644
--- a/android-core/src/main/kotlin/com/mparticle/internal/CoreCallbacks.kt
+++ b/android-core/src/main/kotlin/com/mparticle/internal/CoreCallbacks.kt
@@ -21,7 +21,7 @@ interface CoreCallbacks {
     fun getCurrentActivity(): WeakReference<Activity>?
 
     @WorkerThread
-    fun getLatestKitConfiguration(): JSONArray
+    fun getLatestKitConfiguration(): JSONArray?
 
     fun getDataplanOptions(): MParticleOptions.DataplanOptions?