diff --git a/jni/benchmark_jni.cpp b/jni/benchmark_jni.cpp
index f39397c..8da014c 100644
--- a/jni/benchmark_jni.cpp
+++ b/jni/benchmark_jni.cpp
@@ -178,6 +178,7 @@
                     jobject creator = env->GetObjectField(inout, inout_inputCreator);
                     if (creator == nullptr) { return false; }
                     env->CallVoidMethod(creator, createInput_method, byteBuffer);
+                    env->DeleteLocalRef(byteBuffer);
                     if (env->ExceptionCheck()) { return false; }
                     return true;
                 };