diff --git a/media/engine/simulcast_encoder_adapter.cc b/media/engine/simulcast_encoder_adapter.cc
index 8659c4c..d793390 100644
--- a/media/engine/simulcast_encoder_adapter.cc
+++ b/media/engine/simulcast_encoder_adapter.cc
@@ -923,7 +923,7 @@
       // Treat QP from frame/slice/tile header as average QP only if all
       // encoders report it as average QP.
       encoder_info.is_qp_trusted =
-          encoder_info.is_qp_trusted.value_or(true) &
+          encoder_info.is_qp_trusted.value_or(true) &&
           encoder_impl_info.is_qp_trusted.value_or(true);
     }
     encoder_info.fps_allocation[i] = encoder_impl_info.fps_allocation[0];