diff --git a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
index a7c5cf4..7f9f913 100644
--- a/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/StreamingSource.cpp
@@ -228,6 +228,10 @@
     }
 
     sp<MetaData> meta = source->getFormat();
+    if (meta == NULL) {
+        format->setInt32("err", -EWOULDBLOCK);
+        return format;
+    }
     status_t err = convertMetaDataToMessage(meta, &format);
     if (err != OK) { // format may have been cleared on error
         format = new AMessage;