diff --git a/fdbclient/ServerKnobs.cpp b/fdbclient/ServerKnobs.cpp
index ef203eda31..75ee48dbb2 100644
--- a/fdbclient/ServerKnobs.cpp
+++ b/fdbclient/ServerKnobs.cpp
@@ -775,7 +775,7 @@ void ServerKnobs::initialize(Randomize randomize, ClientKnobs* clientKnobs, IsSi
 	init( BACKUP_TIMEOUT,                                        0.4 );
 	init( BACKUP_NOOP_POP_DELAY,                                 5.0 );
 	init( BACKUP_FILE_BLOCK_BYTES,                       1024 * 1024 );
-	init( BACKUP_LOCK_BYTES,                                     3e9 ); if(randomize && BUGGIFY) BACKUP_LOCK_BYTES = deterministicRandom()->randomInt(1024, 4096) * 4096;
+	init( BACKUP_WORKER_LOCK_BYTES,                              3e9 ); if(randomize && BUGGIFY) BACKUP_WORKER_LOCK_BYTES = deterministicRandom()->randomInt(2048, 4096) * 4096;
 	init( BACKUP_UPLOAD_DELAY,                                  10.0 ); if(randomize && BUGGIFY) BACKUP_UPLOAD_DELAY = deterministicRandom()->random01() * 60;
 
 	//Cluster Controller
diff --git a/fdbclient/include/fdbclient/ServerKnobs.h b/fdbclient/include/fdbclient/ServerKnobs.h
index 094d0aca73..a49d1e4055 100644
--- a/fdbclient/include/fdbclient/ServerKnobs.h
+++ b/fdbclient/include/fdbclient/ServerKnobs.h
@@ -740,7 +740,7 @@ public:
 	double BACKUP_TIMEOUT; // master's reaction time for backup failure
 	double BACKUP_NOOP_POP_DELAY;
 	int BACKUP_FILE_BLOCK_BYTES;
-	int64_t BACKUP_LOCK_BYTES;
+	int64_t BACKUP_WORKER_LOCK_BYTES;
 	double BACKUP_UPLOAD_DELAY;
 
 	// Cluster Controller
diff --git a/fdbserver/BackupWorker.actor.cpp b/fdbserver/BackupWorker.actor.cpp
index 189f42d6c1..5657b56933 100644
--- a/fdbserver/BackupWorker.actor.cpp
+++ b/fdbserver/BackupWorker.actor.cpp
@@ -283,7 +283,7 @@ struct BackupData {
 	  : myId(id), tag(req.routerTag), totalTags(req.totalTags), startVersion(req.startVersion),
 	    endVersion(req.endVersion), recruitedEpoch(req.recruitedEpoch), backupEpoch(req.backupEpoch),
 	    minKnownCommittedVersion(invalidVersion), savedVersion(req.startVersion - 1), popVersion(req.startVersion - 1),
-	    db(db), pulledVersion(0), paused(false), lock(new FlowLock(SERVER_KNOBS->BACKUP_LOCK_BYTES)),
+	    db(db), pulledVersion(0), paused(false), lock(new FlowLock(SERVER_KNOBS->BACKUP_WORKER_LOCK_BYTES)),
 	    cc("BackupWorker", myId.toString()) {
 		cx = openDBOnServer(db, TaskPriority::DefaultEndpoint, LockAware::True);