diff --git a/fdbclient/ServerKnobs.cpp b/fdbclient/ServerKnobs.cpp
index c985da7497..b4c0ef707c 100644
--- a/fdbclient/ServerKnobs.cpp
+++ b/fdbclient/ServerKnobs.cpp
@@ -19,6 +19,7 @@
  */
 
 #include "fdbclient/ServerKnobs.h"
+#include "flow/IRandom.h"
 
 #define init(...) KNOB_FN(__VA_ARGS__, INIT_ATOMIC_KNOB, INIT_KNOB)(__VA_ARGS__)
 
@@ -411,7 +412,7 @@ void ServerKnobs::initialize(Randomize randomize, ClientKnobs* clientKnobs, IsSi
 	init( TXN_STATE_SEND_AMOUNT,                                    4 );
 	init( REPORT_TRANSACTION_COST_ESTIMATION_DELAY,               0.1 );
 	init( PROXY_REJECT_BATCH_QUEUED_TOO_LONG,                    true );
-	init( PROXY_USE_RESOLVER_PRIVATE_MUTATIONS,                 false );
+	init( PROXY_USE_RESOLVER_PRIVATE_MUTATIONS,                 false ); if( randomize && BUGGIFY ) PROXY_USE_RESOLVER_PRIVATE_MUTATIONS = deterministicRandom()->coinflip();
 
 	init( RESET_MASTER_BATCHES,                                   200 );
 	init( RESET_RESOLVER_BATCHES,                                 200 );