diff --git a/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc b/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
index db9bad72dd..cc526ead5f 100644
--- a/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
+++ b/webrtc/modules/audio_device/dummy/file_audio_device_factory.cc
@@ -39,8 +39,8 @@ FileAudioDevice* FileAudioDeviceFactory::CreateFileAudioDevice(
 void FileAudioDeviceFactory::SetFilenamesToUse(
     const char* inputAudioFilename, const char* outputAudioFilename) {
 #ifdef WEBRTC_DUMMY_FILE_DEVICES
-  assert(strlen(inputAudioFilename) < MAX_FILENAME_LEN &&
-         strlen(outputAudioFilename) < MAX_FILENAME_LEN);
+  RTC_DCHECK(strlen(inputAudioFilename) < MAX_FILENAME_LEN &&
+             strlen(outputAudioFilename) < MAX_FILENAME_LEN);
 
   // Copy the strings since we don't know the lifetime of the input pointers.
   strncpy(_inputAudioFilename, inputAudioFilename, MAX_FILENAME_LEN);