diff --git a/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java b/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java
index 31af933..a5adf2f 100644
--- a/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java
+++ b/android/src/main/java/com/launchdarkly/reactnative/LaunchdarklyReactNativeClientModule.java
@@ -774,8 +774,13 @@ public void registerAllFlagsListener(final String listenerId, final String envir
         LDAllFlagsListener listener = new LDAllFlagsListener() {
             @Override
             public void onChange(List<String> flagKeys) {
+                WritableArray flagKeysArray = Arguments.createArray();
+                for (String flagKey: flagKeys) {
+                    flagKeysArray.pushString((flagKey));
+                }
+
                 WritableMap result = Arguments.createMap();
-                result.putString("flagKeys", gson.toJson(flagKeys));
+                result.putArray("flagKeys", flagKeysArray);
                 result.putString("listenerId", multiListenerId);
 
                 getReactApplicationContext()