diff --git a/backend/app/tools/typegen/main.go b/backend/app/tools/typegen/main.go
index bc04cc9..5f4d8da 100644
--- a/backend/app/tools/typegen/main.go
+++ b/backend/app/tools/typegen/main.go
@@ -54,6 +54,7 @@ func main() {
 		NewReReplace(` Services`, " "),
 		NewReReplace(` V1`, " "),
 		NewReReplace(`\?:`, ":"),
+		NewReReplace(`(\w+):\s(.*null.*)`, "$1?: $2"), // make null union types optional
 		NewReDate("createdAt"),
 		NewReDate("updatedAt"),
 		NewReDate("soldTime"),
diff --git a/backend/go.sum b/backend/go.sum
index 2746d2f..d35f134 100644
--- a/backend/go.sum
+++ b/backend/go.sum
@@ -506,6 +506,7 @@ github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27k
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng=
 github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-sqlite3 v1.14.16 h1:yOQRA0RpS5PFz/oikGwBEqvAWhWg5ufRz4ETLjwpU1Y=
 github.com/mattn/go-sqlite3 v1.14.16/go.mod h1:2eHXhiwb8IkHr+BDWZGa96P6+rkvnG63S2DGjv9HUNg=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
@@ -531,6 +532,7 @@ github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRW
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
+github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
 github.com/onsi/ginkgo v1.16.4 h1:29JGrr5oVBm5ulCWet69zQkzWipVXIol6ygQUe/EzNc=
@@ -602,8 +604,10 @@ github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrf
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.9.2/go.mod h1:iUV7ddyEEZPO5gA3zD4fJt6iStLlL+Lg4m2cihcDf8Y=
 github.com/spf13/cast v1.5.0/go.mod h1:SpXXQ5YoyJw6s3/6cMTQuxvgRl3PCJiyaX9p6b155UU=
+github.com/spf13/cobra v1.6.1 h1:o94oiPyS4KD1mPy2fmcYYHHfCxLqYjJOhGsCHFZtEzA=
 github.com/spf13/cobra v1.6.1/go.mod h1:IOw/AERYS7UzyrGinqmz6HLUo219MORXGxhbaJUqzrY=
 github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.14.0/go.mod h1:WT//axPky3FdvXHzGw33dNdXXXfFQqmEalje+egj8As=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
diff --git a/frontend/lib/api/types/data-contracts.ts b/frontend/lib/api/types/data-contracts.ts
index a49fadf..a2d7209 100644
--- a/frontend/lib/api/types/data-contracts.ts
+++ b/frontend/lib/api/types/data-contracts.ts
@@ -67,7 +67,7 @@ export interface ItemCreate {
    * @maxLength 255
    */
   name: string;
-  parentId: string | null;
+  parentId?: string | null;
 }
 
 export interface ItemField {
@@ -94,13 +94,13 @@ export interface ItemOut {
   /** Warranty */
   lifetimeWarranty: boolean;
   /** Edges */
-  location: LocationSummary | null;
+  location?: LocationSummary | null;
   manufacturer: string;
   modelNumber: string;
   name: string;
   /** Extras */
   notes: string;
-  parent: ItemSummary | null;
+  parent?: ItemSummary | null;
   purchaseFrom: string;
   /** @example "0" */
   purchasePrice: string;
@@ -121,7 +121,7 @@ export interface ItemOut {
 
 export interface ItemPatch {
   id: string;
-  quantity: number | null;
+  quantity?: number | null;
 }
 
 export interface ItemSummary {
@@ -132,7 +132,7 @@ export interface ItemSummary {
   insured: boolean;
   labels: LabelSummary[];
   /** Edges */
-  location: LocationSummary | null;
+  location?: LocationSummary | null;
   name: string;
   /** @example "0" */
   purchasePrice: string;
@@ -157,7 +157,7 @@ export interface ItemUpdate {
   name: string;
   /** Extras */
   notes: string;
-  parentId: string | null;
+  parentId?: string | null;
   purchaseFrom: string;
   /** @example "0" */
   purchasePrice: string;
@@ -208,7 +208,7 @@ export interface LabelSummary {
 export interface LocationCreate {
   description: string;
   name: string;
-  parentId: string | null;
+  parentId?: string | null;
 }
 
 export interface LocationOut {
@@ -243,7 +243,7 @@ export interface LocationUpdate {
   description: string;
   id: string;
   name: string;
-  parentId: string | null;
+  parentId?: string | null;
 }
 
 export interface MaintenanceEntry {
@@ -314,7 +314,7 @@ export interface NotifierUpdate {
    * @maxLength 255
    */
   name: string;
-  url: string | null;
+  url?: string | null;
 }
 
 export interface PaginationResultItemSummary {
diff --git a/frontend/pages/item/[id]/index.vue b/frontend/pages/item/[id]/index.vue
index da13225..9271675 100644
--- a/frontend/pages/item/[id]/index.vue
+++ b/frontend/pages/item/[id]/index.vue
@@ -51,6 +51,7 @@
     }
 
     const resp = await api.items.patch(item.value.id, {
+      id: item.value.id,
       quantity: newQuantity,
     });