diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 7e55fbd..eca659f 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -477,7 +477,7 @@
 
 status_t AudioTrack::setVolume(float left, float right)
 {
-    if (left > 1.0f || right > 1.0f) {
+    if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) {
         return BAD_VALUE;
     }