diff --git a/core/jni/com_android_internal_net_NetworkStatsFactory.cpp b/core/jni/com_android_internal_net_NetworkStatsFactory.cpp
index 24bafca9c3..8259ffcd41 100644
--- a/core/jni/com_android_internal_net_NetworkStatsFactory.cpp
+++ b/core/jni/com_android_internal_net_NetworkStatsFactory.cpp
@@ -95,7 +95,7 @@ static jlongArray get_long_array(JNIEnv* env, jobject obj, jfieldID field, int s
 static int legacyReadNetworkStatsDetail(std::vector<stats_line>* lines,
                                         const std::vector<std::string>& limitIfaces,
                                         int limitTag, int limitUid, const char* path) {
-    FILE* fp = fopen(path, "r");
+    FILE* fp = fopen(path, "re");
     if (fp == NULL) {
         return -1;
     }