diff --git a/assets/release_notes.md b/assets/release_notes.md
index 0b927187..10350fc5 100644
--- a/assets/release_notes.md
+++ b/assets/release_notes.md
@@ -1,3 +1,7 @@
+### 0.12.1 - May 2023
+
+- Fixes bug in purchase order form
+
 ### 0.12.0 - April 2023
 ---
 
diff --git a/lib/inventree/purchase_order.dart b/lib/inventree/purchase_order.dart
index 5a4ac720..199bc15e 100644
--- a/lib/inventree/purchase_order.dart
+++ b/lib/inventree/purchase_order.dart
@@ -1,3 +1,4 @@
+import "package:inventree/api.dart";
 import "package:inventree/helpers.dart";
 import "package:inventree/inventree/company.dart";
 import "package:inventree/inventree/part.dart";
@@ -26,7 +27,7 @@ class InvenTreePurchaseOrder extends InvenTreeModel {
 
   @override
   Map<String, dynamic> formFields() {
-    return {
+    var fields = {
       "reference": {},
       "supplier": {
         "filters": {
@@ -45,6 +46,13 @@ class InvenTreePurchaseOrder extends InvenTreeModel {
         }
       },
     };
+
+    if (!InvenTreeAPI().supportsProjectCodes) {
+      fields.remove("project_code");
+    }
+
+    return fields;
+
   }
 
   @override
diff --git a/pubspec.yaml b/pubspec.yaml
index ac140a6f..d0040891 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: inventree
 description: InvenTree stock management
 
-version: 0.12.0+66
+version: 0.12.1+67
 
 environment:
   sdk: ">=2.16.0 <3.0.0"