diff --git a/webrtc/modules/audio_processing/include/audio_processing.h b/webrtc/modules/audio_processing/include/audio_processing.h
index 6db1d12bc0..68b679d66a 100644
--- a/webrtc/modules/audio_processing/include/audio_processing.h
+++ b/webrtc/modules/audio_processing/include/audio_processing.h
@@ -61,7 +61,12 @@ struct ExperimentalAgc {
   bool enabled;
 };
 
+#if defined(ANDROID) || defined(IOS)
+// AECM only supports 8kHz & 16kHz.
+static const int kAudioProcMaxNativeSampleRateHz = 16000;
+#else
 static const int kAudioProcMaxNativeSampleRateHz = 32000;
+#endif
 
 // The Audio Processing Module (APM) provides a collection of voice processing
 // components designed for real-time communications software.