diff --git a/app/src/main/cpp/libnatives/Natives.cpp b/app/src/main/cpp/libnatives/Natives.cpp
index df28c4b2d..05f2d1c1b 100644
--- a/app/src/main/cpp/libnatives/Natives.cpp
+++ b/app/src/main/cpp/libnatives/Natives.cpp
@@ -380,6 +380,8 @@ jlong doGetBuildTimestamp(JNIEnv *env, jclass clazz) {
             env->ExceptionClear();
             continue;
         }
+        env->CallVoidMethod(is, is_close);
+        env->ExceptionClear();
         {
             //parse [dex, dex+length]
             if (length < 128 * 1024) {