diff --git a/install/scripts/start-vc.sh b/install/scripts/start-vc.sh
index 686b9a6e..cf6da034 100755
--- a/install/scripts/start-vc.sh
+++ b/install/scripts/start-vc.sh
@@ -231,7 +231,7 @@ if [ "$CC_CLIENT" = "teku" ]; then
         $VC_ADDITIONAL_FLAGS"
 
     if [ "$ENABLE_MEV_BOOST" = "true" ]; then
-        CMD="$CMD --validators-builder-registration-default-enabled=true"
+        CMD="$CMD --validators-builder-registration-default-enabled=true --validators-proposer-blinded-blocks-enabled"
     fi
 
     if [ "$ENABLE_METRICS" = "true" ]; then