diff --git a/src/jni/rtp/AudioGroup.cpp b/src/jni/rtp/AudioGroup.cpp
index 5f9cae8..9efd11a 100644
--- a/src/jni/rtp/AudioGroup.cpp
+++ b/src/jni/rtp/AudioGroup.cpp
@@ -1078,7 +1078,7 @@
 
 int registerAudioGroup(JNIEnv *env)
 {
-    gRandom = open("/dev/urandom", O_RDONLY);
+    gRandom = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
     if (gRandom == -1) {
         ALOGE("urandom: %s", strerror(errno));
         return -1;