diff --git a/src/media/media_encoder.cpp b/src/media/media_encoder.cpp
index c9e632b6f3448393fbbf4cfd13ada1038da67621..0672c530a634d22d66275c6f685ba6e07ab36cb7 100644
--- a/src/media/media_encoder.cpp
+++ b/src/media/media_encoder.cpp
@@ -52,8 +52,8 @@ extern "C" {
 
 namespace jami {
 
-constexpr double LOGREG_PARAM_A {114.40432};
-constexpr double LOGREG_PARAM_B {-6.049181};
+constexpr double LOGREG_PARAM_A {79};
+constexpr double LOGREG_PARAM_B {-4.};
 
 MediaEncoder::MediaEncoder()
     : outputCtx_(avformat_alloc_context())