diff --git a/index.js b/index.js
index 2699228..d78098f 100644
--- a/index.js
+++ b/index.js
@@ -59,6 +59,7 @@ const deserializeResource = (resource, included, transformFunc) => {
 
   Object.keys(relationships).forEach(key => {
     const relationship = relationships[key].data;
+    if (!relationship) return;
     if (Array.isArray(relationship)) {
       deserialized[transformFunc ? transformFunc(key) : key] = relationship.map(rel => {
         const includedResource = findIncluded(included, rel.type, rel.id);
diff --git a/index.test.js b/index.test.js
index b4679de..b90672d 100644
--- a/index.test.js
+++ b/index.test.js
@@ -39,6 +39,7 @@ const resp = {
       director: {
         data: { id: 1, type: "person" },
       },
+      studio: {}
     },
     links: {
       self: "/movies/1",