diff --git a/webrtc/webrtc_perf_tests.isolate b/webrtc/webrtc_perf_tests.isolate
index d29aebb8f3..b66054c320 100644
--- a/webrtc/webrtc_perf_tests.isolate
+++ b/webrtc/webrtc_perf_tests.isolate
@@ -11,6 +11,7 @@
       'variables': {
         'files': [
           '<(DEPTH)/resources/audio_coding/speech_mono_16kHz.pcm',
+          '<(DEPTH)/resources/audio_coding/testfile32kHz.pcm',
           '<(DEPTH)/resources/foreman_cif.yuv',
           '<(DEPTH)/resources/paris_qcif.yuv',
           '<(DEPTH)/resources/voice_engine/audio_long16.pcm',