diff --git a/worker/export.go b/worker/export.go
index f4fc53021b5..dc4adf1339a 100644
--- a/worker/export.go
+++ b/worker/export.go
@@ -32,6 +32,7 @@ import (
 	"github.com/hypermodeinc/dgraph/v25/enc"
 	"github.com/hypermodeinc/dgraph/v25/posting"
 	"github.com/hypermodeinc/dgraph/v25/protos/pb"
+	"github.com/hypermodeinc/dgraph/v25/tok/hnsw"
 	"github.com/hypermodeinc/dgraph/v25/types"
 	"github.com/hypermodeinc/dgraph/v25/types/facets"
 	"github.com/hypermodeinc/dgraph/v25/x"
@@ -821,6 +822,10 @@ func exportInternal(ctx context.Context, in *pb.ExportRequest, db *badger.DB,
 				return false
 			}
 		}
+
+		if strings.Contains(pk.Attr, hnsw.VecKeyword) {
+			return false
+		}
 		return pk.IsData()
 	}
 
diff --git a/worker/mutation.go b/worker/mutation.go
index c3d29a8cc62..929b13274d0 100644
--- a/worker/mutation.go
+++ b/worker/mutation.go
@@ -9,6 +9,7 @@ import (
 	"bytes"
 	"context"
 	"math"
+	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -31,6 +32,7 @@ import (
 	"github.com/hypermodeinc/dgraph/v25/posting"
 	"github.com/hypermodeinc/dgraph/v25/protos/pb"
 	"github.com/hypermodeinc/dgraph/v25/schema"
+	"github.com/hypermodeinc/dgraph/v25/tok/hnsw"
 	"github.com/hypermodeinc/dgraph/v25/types"
 	"github.com/hypermodeinc/dgraph/v25/x"
 )
@@ -512,6 +514,10 @@ func ValidateAndConvert(edge *pb.DirectedEdge, su *pb.SchemaUpdate) error {
 		return nil
 	}
 
+	if strings.Contains(su.Predicate, hnsw.VecKeyword) {
+		return errors.Errorf("Not allowed to insert mutations in vector index keys, edge: [%v]", edge)
+	}
+
 	storageType := posting.TypeID(edge)
 	schemaType := types.TypeID(su.ValueType)