diff --git a/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java b/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java
index 31af933..bf71c6f 100644
--- a/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java
+++ b/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java
@@ -775,7 +775,7 @@ public void registerAllFlagsListener(final String listenerId, final String envir
             @Override
             public void onChange(List<String> flagKeys) {
                 WritableMap result = Arguments.createMap();
-                result.putString("flagKeys", gson.toJson(flagKeys));
+                result.putArray("flagKeys", Arguments.fromList(flagKeys));
                 result.putString("listenerId", multiListenerId);
 
                 getReactApplicationContext()