diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index adb4aca..ca0d65e 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -236,6 +236,7 @@
                     sampleRate = Format_sampleRate(format);
                     ALOG_ASSERT(Format_channelCount(format) == FCC_2);
                 }
+                dumpState->mSampleRate = sampleRate;
             }
 
             if ((!Format_isEqual(format, previousFormat)) || (frameCount != previous->mFrameCount)) {