diff --git a/Makefile b/Makefile
index d09e2ec..676dcc3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 .PHONY: proto build test deps
-SHELL=/bin/bash
+SHELL=/usr/bin/env bash
 export GOPRIVATE=github.com/anyproto
 export PATH:=deps:$(PATH)
 export CGO_ENABLED:=1
diff --git a/nodespace/rpchandler.go b/nodespace/rpchandler.go
index 6440bb5..2c896bb 100644
--- a/nodespace/rpchandler.go
+++ b/nodespace/rpchandler.go
@@ -270,46 +270,24 @@ func (r *rpcHandler) HeadSync(ctx context.Context, req *spacesyncproto.HeadSyncR
 
 func (r *rpcHandler) tryNodeHeadSync(req *spacesyncproto.HeadSyncRequest) (resp *spacesyncproto.HeadSyncResponse) {
 	if len(req.Ranges) == 1 && (req.Ranges[0].From == 0 && req.Ranges[0].To == math.MaxUint64) {
-		switch req.DiffType {
-		case spacesyncproto.DiffType_Precalculated:
-			hash, err := r.s.nodeHead.GetHead(req.SpaceId)
-			if err != nil {
-				return
-			}
-			hashB, err := hex.DecodeString(hash)
-			if err != nil {
-				return
-			}
-			log.Debug("got head sync with nodehead", zap.String("spaceId", req.SpaceId))
-			return &spacesyncproto.HeadSyncResponse{
-				DiffType: spacesyncproto.DiffType_Precalculated,
-				Results: []*spacesyncproto.HeadSyncResult{
-					{
-						Hash: hashB,
-						// this makes diff not compareResults and create new batch directly (see (d *diff) Diff)
-						Count: 1,
-					},
-				},
-			}
-		case spacesyncproto.DiffType_Initial:
-			hash, err := r.s.nodeHead.GetOldHead(req.SpaceId)
-			if err != nil {
-				return
-			}
-			hashB, err := hex.DecodeString(hash)
-			if err != nil {
-				return
-			}
-			log.Debug("got head sync with old nodehead", zap.String("spaceId", req.SpaceId))
-			return &spacesyncproto.HeadSyncResponse{
-				Results: []*spacesyncproto.HeadSyncResult{
-					{
-						Hash: hashB,
-						// this makes diff not compareResults and create new batch directly (see (d *diff) Diff)
-						Count: 1,
-					},
+		hash, err := r.s.nodeHead.GetHead(req.SpaceId)
+		if err != nil {
+			return
+		}
+		hashB, err := hex.DecodeString(hash)
+		if err != nil {
+			return
+		}
+		log.Debug("got head sync with nodehead", zap.String("spaceId", req.SpaceId))
+		return &spacesyncproto.HeadSyncResponse{
+			DiffType: spacesyncproto.DiffType_Precalculated,
+			Results: []*spacesyncproto.HeadSyncResult{
+				{
+					Hash: hashB,
+					// this makes diff not compareResults and create new batch directly (see (d *diff) Diff)
+					Count: 1,
 				},
-			}
+			},
 		}
 	}
 	return nil
diff --git a/nodesync/nodesync_test.go b/nodesync/nodesync_test.go
index fac3abd..d0d70cd 100644
--- a/nodesync/nodesync_test.go
+++ b/nodesync/nodesync_test.go
@@ -87,7 +87,7 @@ func TestNodeSync_Sync(t *testing.T) {
 
 		for i := 0; i < nodeconf.PartitionCount; i++ {
 			if i == 0 {
-				// calling twice because we now do a twostep diff
+				// callng twice because we now do a twostep diff
 				// the same as actually was done with real nodes before
 				fx1.nodeHead.EXPECT().LDiff(i).Return(ld1)
 				fx2.nodeHead.EXPECT().LDiff(i).Times(2).Return(ld2)