diff --git a/packages/TtsService/jni/android_tts_SynthProxy.cpp b/packages/TtsService/jni/android_tts_SynthProxy.cpp
index 64cdb5b80160a..099c4d148f804 100644
--- a/packages/TtsService/jni/android_tts_SynthProxy.cpp
+++ b/packages/TtsService/jni/android_tts_SynthProxy.cpp
@@ -286,6 +286,7 @@ android_tts_SynthProxy_native_finalize(JNIEnv *env, jobject thiz, jint jniData)
 {
     if (jniData) {
         SynthProxyJniStorage* pSynthData = (SynthProxyJniStorage*)jniData;
+        env->DeleteGlobalRef(pSynthData->tts_ref);
         delete pSynthData;
     }
 }