diff --git a/c2_components/src/mfx_c2_encoder_component.cpp b/c2_components/src/mfx_c2_encoder_component.cpp
index 6819cf0d..0fb43999 100755
--- a/c2_components/src/mfx_c2_encoder_component.cpp
+++ b/c2_components/src/mfx_c2_encoder_component.cpp
@@ -259,7 +259,7 @@ MfxC2EncoderComponent::MfxC2EncoderComponent(const C2String name, const CreateCo
 
     addParameter(
         DefineParam(m_bitrateMode, C2_PARAMKEY_BITRATE_MODE)
-        .withDefault(new C2StreamBitrateModeTuning::output(SINGLE_STREAM_ID, C2Config::BITRATE_VARIABLE))
+        .withDefault(new C2StreamBitrateModeTuning::output(SINGLE_STREAM_ID, C2Config::BITRATE_CONST))
         .withFields({
             C2F(m_bitrateMode, value).oneOf({
                 C2Config::BITRATE_CONST,