diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index 2c4930c0f..6d2a0bf10 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 
 
+##### 1.3.8 (2015-09-10)
+- Fix: faulty check for invalid create/update payloads.
+
+
 ##### 1.3.7 (2015-09-10)
 - Fix: check for invalid create/update payloads which have the same ID in multiple records for a to-one relationship.
 
diff --git a/lib/dispatch/validate_records.js b/lib/dispatch/validate_records.js
index 1ce90d12e..2ff9f034d 100644
--- a/lib/dispatch/validate_records.js
+++ b/lib/dispatch/validate_records.js
@@ -29,8 +29,8 @@ export default function validateRecords (records, fields, links) {
       toOneMap[field] = []
 
       for (let record of records) {
-        const ids = Array.isArray(record[field]) ?
-          record[field] : [ record[field] ]
+        const value = record[field]
+        const ids = Array.isArray(value) ? value : value ? [ value ] : []
 
         for (let id of ids)
           if (!includes(toOneMap[field], id)) toOneMap[field].push(id)
diff --git a/package.json b/package.json
index 39613f4e0..720a4eb78 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "fortune",
   "description": "High-level I/O for web applications.",
-  "version": "1.3.7",
+  "version": "1.3.8",
   "license": "MIT",
   "author": {
     "email": "0x8890@airmail.cc",