diff --git a/modules/dashplayer/DashPlayer.cpp b/modules/dashplayer/DashPlayer.cpp
index ed63bcb..d32fa68 100644
--- a/modules/dashplayer/DashPlayer.cpp
+++ b/modules/dashplayer/DashPlayer.cpp
@@ -1573,7 +1573,7 @@ status_t DashPlayer::setParameter(int key, const Parcel &request)
             return NO_MEMORY;
         }
 
-        utf16_to_utf8(str, len, (char*) data);
+        utf16_to_utf8(str, len, (char*) data, (len + 1));
         err = mSource->setParameter(key, data, len);
         free(data);
     }