diff --git a/package.json b/package.json
index 7c271b943..2fd732f06 100644
--- a/package.json
+++ b/package.json
@@ -95,6 +95,7 @@
     "build:types": "tsc --emitDeclarationOnly -d --moduleResolution node --declarationDir lib",
     "build:all": "npm run build && npm run build:types && npm run build:browser && npm run build:esm",
     "doc": "typedoc --out ./doc ./src/index.ts --excludePrivate --excludeInternal --tsconfig ./tsconfig.json",
+    "prepare": "npm run build && npm run build:types && npm run build:browser && npm run build:esm",
     "prepublishOnly": "npm ci && npm run build:all && npm run doc && npm run test",
     "postversion": "git push --follow-tags",
     "start": "webpack serve --port 4800",
diff --git a/src/jsonldparser.js b/src/jsonldparser.js
index 712216fc4..79b4193b1 100644
--- a/src/jsonldparser.js
+++ b/src/jsonldparser.js
@@ -35,7 +35,7 @@ export function jsonldObjectToTerm (kb, obj) {
     return kb.rdfFactory.literal(obj['@value'])
   }
 
-  return kb.rdfFactory.literal(obj)
+  return kb.rdfFactory.literal();
 }
 
 /**