diff --git a/webrtc/modules/audio_processing/audio_processing_impl.cc b/webrtc/modules/audio_processing/audio_processing_impl.cc
index 77f494f436..3ca90a76dd 100644
--- a/webrtc/modules/audio_processing/audio_processing_impl.cc
+++ b/webrtc/modules/audio_processing/audio_processing_impl.cc
@@ -97,7 +97,8 @@ AudioProcessingImpl::AudioProcessingImpl(const Config& config)
       was_stream_delay_set_(false),
       num_reverse_channels_(1),
       num_input_channels_(1),
-      num_output_channels_(1) {
+      num_output_channels_(1),
+      key_pressed_(false) {
   echo_cancellation_ = EchoCancellationImplWrapper::Create(this);
   component_list_.push_back(echo_cancellation_);