diff --git a/src/machi.proto b/src/machi.proto
index a3afde8..f59e293 100644
--- a/src/machi.proto
+++ b/src/machi.proto
@@ -304,16 +304,17 @@ message Mpb_ProjectionV1 {
     required bytes epoch_csum = 2;
     required string author_server = 3;
     repeated string all_members = 4;
-    required Mpb_Now creation_time = 5;
-    required Mpb_Mode mode = 6;
-    repeated string upi = 7;
-    repeated string repairing = 8;
-    repeated string down = 9;
-    optional bytes opaque_flap = 10;
-    optional bytes opaque_inner = 11;
-    required bytes opaque_dbg = 12;
-    required bytes opaque_dbg2 = 13;
-    repeated Mpb_MembersDictEntry members_dict = 14;
+    repeated string witnesses = 5;
+    required Mpb_Now creation_time = 6;
+    required Mpb_Mode mode = 7;
+    repeated string upi = 8;
+    repeated string repairing = 9;
+    repeated string down = 10;
+    optional bytes opaque_flap = 11;
+    optional bytes opaque_inner = 12;
+    required bytes opaque_dbg = 13;
+    required bytes opaque_dbg2 = 14;
+    repeated Mpb_MembersDictEntry members_dict = 15;
 }
 
 //////////////////////////////////////////
diff --git a/src/machi_chain_manager1.erl b/src/machi_chain_manager1.erl
index 5afcba9..53fe1fb 100644
--- a/src/machi_chain_manager1.erl
+++ b/src/machi_chain_manager1.erl
@@ -215,7 +215,7 @@ init({MyName, InitMembersDict, MgrOpts}) ->
     random:seed(now()),
     init_remember_partition_hack(),
     ZeroAll_list = [P#p_srvr.name || {_,P} <- orddict:to_list(InitMembersDict)],
-    ZeroProj = make_none_projection(MyName, ZeroAll_list, InitMembersDict),
+    ZeroProj = make_none_projection(MyName, ZeroAll_list, [], InitMembersDict),
     ok = store_zeroth_projection_maybe(ZeroProj, MgrOpts),
 
     {MembersDict, Proj} =
@@ -360,10 +360,11 @@ code_change(_OldVsn, S, _Extra) ->
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-make_none_projection(MyName, All_list, MembersDict) ->
+make_none_projection(MyName, All_list, Witness_list, MembersDict) ->
     Down_list = All_list,
     UPI_list = [],
-    machi_projection:new(MyName, MembersDict, Down_list, UPI_list, [], []).
+    P = machi_projection:new(MyName, MembersDict, Down_list, UPI_list, [], []),
+    machi_projection:update_checksum(P#projection_v1{witnesses=Witness_list}).
 
 get_my_private_proj_boot_info(MgrOpts, DefaultDict, DefaultProj) ->
     get_my_proj_boot_info(MgrOpts, DefaultDict, DefaultProj, private).
@@ -666,7 +667,8 @@ calc_projection(_OldThreshold, _NoPartitionThreshold, LastProj,
     P = case NewUPI -- OldWitness_list of
             [] ->
                 io:format(user, "\nNONE proj ~p\n", [OldEpochNum+1]),
-                NP = make_none_projection(MyName, OldAll_list, MembersDict),
+                NP = make_none_projection(MyName, OldAll_list, OldWitness_list,
+                                          MembersDict),
                 NP#projection_v1{epoch_number=OldEpochNum + 1};
             _ ->
                 machi_projection:new(OldEpochNum + 1,
@@ -1549,7 +1551,8 @@ react_to_env_C103(#projection_v1{epoch_number=Epoch_latest,
     #projection_v1{epoch_number=Epoch_latest,
                    all_members=All_list,
                    members_dict=MembersDict} = P_latest,
-    P_none0 = make_none_projection(MyName, All_list, MembersDict),
+    #projection_v1{witnesses=Witness_list} = P_current,
+    P_none0 = make_none_projection(MyName, All_list, Witness_list, MembersDict),
     P_none1 = P_none0#projection_v1{epoch_number=Epoch_latest,
                                     dbg=[{none_projection,true}]},
     P_none = machi_projection:update_checksum(P_none1),
diff --git a/src/machi_pb_translate.erl b/src/machi_pb_translate.erl
index adab3cf..c8024a8 100644
--- a/src/machi_pb_translate.erl
+++ b/src/machi_pb_translate.erl
@@ -693,6 +693,7 @@ conv_to_projection_v1(#mpb_projectionv1{epoch_number=Epoch,
                                         epoch_csum=CSum,
                                         author_server=Author,
                                         all_members=AllMembers,
+                                        witnesses=Witnesses,
                                         creation_time=CTime,
                                         mode=Mode,
                                         upi=UPI,
@@ -707,6 +708,7 @@ conv_to_projection_v1(#mpb_projectionv1{epoch_number=Epoch,
                    epoch_csum=CSum,
                    author_server=to_atom(Author),
                    all_members=[to_atom(X) || X <- AllMembers],
+                   witnesses=[to_atom(X) || X <- Witnesses],
                    creation_time=conv_to_now(CTime),
                    mode=conv_to_mode(Mode),
                    upi=[to_atom(X) || X <- UPI],
@@ -863,6 +865,7 @@ conv_from_projection_v1(#projection_v1{epoch_number=Epoch,
                                        epoch_csum=CSum,
                                        author_server=Author,
                                        all_members=AllMembers,
+                                       witnesses=Witnesses,
                                        creation_time=CTime,
                                        mode=Mode,
                                        upi=UPI,
@@ -877,6 +880,7 @@ conv_from_projection_v1(#projection_v1{epoch_number=Epoch,
                       epoch_csum=CSum,
                       author_server=to_list(Author),
                       all_members=[to_list(X) || X <- AllMembers],
+                      witnesses=[to_list(X) || X <- Witnesses],
                       creation_time=conv_from_now(CTime),
                       mode=conv_from_mode(Mode),
                       upi=[to_list(X) || X <- UPI],