diff --git a/open-api/immich-openapi-specs.json b/open-api/immich-openapi-specs.json
index 420c7e1015..0e57fc4819 100644
--- a/open-api/immich-openapi-specs.json
+++ b/open-api/immich-openapi-specs.json
@@ -16117,7 +16117,15 @@
                 {
                   "$ref": "#/components/schemas/AssetEditActionMirror"
                 }
-              ]
+              ],
+              "discriminator": {
+                "mapping": {
+                  "crop": "#/components/schemas/AssetEditActionCrop",
+                  "mirror": "#/components/schemas/AssetEditActionMirror",
+                  "rotate": "#/components/schemas/AssetEditActionRotate"
+                },
+                "propertyName": "action"
+              }
             },
             "minItems": 1,
             "type": "array"
@@ -16188,7 +16196,15 @@
                 {
                   "$ref": "#/components/schemas/AssetEditActionMirror"
                 }
-              ]
+              ],
+              "discriminator": {
+                "mapping": {
+                  "crop": "#/components/schemas/AssetEditActionCrop",
+                  "mirror": "#/components/schemas/AssetEditActionMirror",
+                  "rotate": "#/components/schemas/AssetEditActionRotate"
+                },
+                "propertyName": "action"
+              }
             },
             "minItems": 1,
             "type": "array"
diff --git a/server/src/dtos/editing.dto.ts b/server/src/dtos/editing.dto.ts
index 8bb1eef47b..3c4c063b10 100644
--- a/server/src/dtos/editing.dto.ts
+++ b/server/src/dtos/editing.dto.ts
@@ -118,7 +118,15 @@ export class AssetEditActionListDto {
     Array.isArray(edits) ? edits.map((item) => plainToInstance(getActionClass(item), item)) : edits,
   )
   @ApiProperty({
-    anyOf: Object.values(actionToClass).map((target) => ({ $ref: getSchemaPath(target) })),
+    items: {
+      anyOf: Object.values(actionToClass).map((type) => ({ $ref: getSchemaPath(type) })),
+      discriminator: {
+        propertyName: 'action',
+        mapping: Object.fromEntries(
+          Object.entries(actionToClass).map(([action, type]) => [action, getSchemaPath(type)]),
+        ),
+      },
+    },
     description: 'List of edit actions to apply (crop, rotate, or mirror)',
   })
   edits!: AssetEditActionItem[];