diff --git a/src/lib/src/angular-neo4j.service.ts b/src/lib/src/angular-neo4j.service.ts
index 4b5ceee..6bea49f 100644
--- a/src/lib/src/angular-neo4j.service.ts
+++ b/src/lib/src/angular-neo4j.service.ts
@@ -101,6 +101,10 @@ export class AngularNeo4jService {
   }
 
   private processRecord(record) {
+    if (!record) {
+      return null;
+    }
+
     if (record.constructor.name === 'Integer') {
       return record.toNumber();
     }