diff --git a/pkg/storage/mongodb/ldstore/context_store.go b/pkg/storage/mongodb/ldstore/context_store.go
index 68d17e44a..570c77db0 100644
--- a/pkg/storage/mongodb/ldstore/context_store.go
+++ b/pkg/storage/mongodb/ldstore/context_store.go
@@ -19,6 +19,7 @@ import (
 	ldcontext "github.com/trustbloc/did-go/doc/ld/context"
 	ldstore "github.com/trustbloc/did-go/doc/ld/store"
 	"github.com/trustbloc/kms-go/spi/storage"
+	"github.com/trustbloc/vcs/pkg/storage/mongodb/internal"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
@@ -212,7 +213,6 @@ func (s *ContextStore) Import(documents []ldcontext.Document) error {
 
 	for _, doc := range targetDocs {
 		_, err := collection.InsertOne(ctxWithTimeout, doc.bsonDoc)
-
 		if err != nil {
 			if mongo.IsDuplicateKeyError(err) {
 				s.cache.Add(doc.remoteDoc.ContextURL, doc.remoteDoc)
@@ -317,9 +317,14 @@ func getJSONLDRemoteDocumentBytes(d ldcontext.Document) ([]byte, error) {
 		return nil, fmt.Errorf("document from reader: %w", err)
 	}
 
+	mongoDoc, err := internal.PrepareDataForBSONStorage(content)
+	if err != nil {
+		return nil, fmt.Errorf("prepare data for bson storage: %w", err)
+	}
+
 	rd := &jsonld.RemoteDocument{
 		DocumentURL: d.DocumentURL,
-		Document:    content,
+		Document:    mongoDoc,
 		ContextURL:  d.URL,
 	}
 
@@ -337,6 +342,11 @@ func mapToBSONRemoteDocument(rd *jsonld.RemoteDocument) (*bsonRemoteDocument, er
 		return nil, err
 	}
 
+	content, err = internal.PrepareDataForBSONStorage(content)
+	if err != nil {
+		return nil, err
+	}
+
 	return &bsonRemoteDocument{
 		DocumentURL: rd.DocumentURL,
 		Document:    content,
diff --git a/pkg/storage/mongodb/ldstore/context_store_test.go b/pkg/storage/mongodb/ldstore/context_store_test.go
index 7a2b3e5e0..d89d62c05 100644
--- a/pkg/storage/mongodb/ldstore/context_store_test.go
+++ b/pkg/storage/mongodb/ldstore/context_store_test.go
@@ -43,6 +43,9 @@ const (
     "homepage": {
       "@id": "http://xmlns.com/foaf/0.1/homepage",
       "@type": "@id"
+    },
+    "...": {
+      "@id": "https://www.iana.org/assignments/jwt#..."
     }
   }
 }`