diff --git a/fdbclient/ServerKnobs.cpp b/fdbclient/ServerKnobs.cpp
index 75ee48dbb2..14e686cda4 100644
--- a/fdbclient/ServerKnobs.cpp
+++ b/fdbclient/ServerKnobs.cpp
@@ -176,7 +176,7 @@ void ServerKnobs::initialize(Randomize randomize, ClientKnobs* clientKnobs, IsSi
 
 	init( FETCH_KEYS_THROTTLE_PRIORITY_THRESHOLD,                  0 ); if( randomize && BUGGIFY ) FETCH_KEYS_THROTTLE_PRIORITY_THRESHOLD = 700;
 
-	init( ENABLE_REPLICA_CONSISTENCY_CHECK_ON_DATA_MOVEMENT,    true );
+	init( ENABLE_REPLICA_CONSISTENCY_CHECK_ON_DATA_MOVEMENT,    false ); ENABLE_REPLICA_CONSISTENCY_CHECK_ON_DATA_MOVEMENT = isSimulated;
 	init( CONSISTENCY_CHECK_REQUIRED_REPLICAS,                     1 );
 	
 	init( PROBABILITY_TEAM_REDUNDANT_DATAMOVE_CHOOSE_TRUE_BEST_DEST, 0.0 ); if (isSimulated) PROBABILITY_TEAM_REDUNDANT_DATAMOVE_CHOOSE_TRUE_BEST_DEST = deterministicRandom()->random01();