diff --git a/besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java b/besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java
index b37bb79146..ba1eb4b0a2 100644
--- a/besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java
+++ b/besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java
@@ -844,7 +844,7 @@ public class BesuCommand implements DefaultCommandValues, Runnable {
   private final Integer numberOfblocksToCache = 0;
 
   @Option(
-      names = {"--peertask-system-enabled"},
+      names = {"--Xpeertask-system-enabled"},
       description =
           "Temporary feature toggle to enable using the new peertask system (default: ${DEFAULT-VALUE})")
   private final Boolean isPeerTaskSystemEnabled = false;
diff --git a/besu/src/test/resources/everything_config.toml b/besu/src/test/resources/everything_config.toml
index 73a1775462..d28152b47c 100644
--- a/besu/src/test/resources/everything_config.toml
+++ b/besu/src/test/resources/everything_config.toml
@@ -226,7 +226,7 @@ Xsecp256k1-native-enabled=false
 Xaltbn128-native-enabled=false
 Xsnapsync-server-enabled=true
 Xbonsai-full-flat-db-enabled=true
-peertask-system-enabled=false
+Xpeertask-system-enabled=false
 
 # compatibility flags
 compatibility-eth64-forkid-enabled=false