diff --git a/rt-images.yml b/rt-images.yml
index ec74b62..ac2d049 100644
--- a/rt-images.yml
+++ b/rt-images.yml
@@ -21,9 +21,7 @@ components:
         - fieldList
       properties:
         availableSourceList:
-          type: array
-          items:
-            $ref: "#/components/schemas/ImagesAvailableSource"
+          type: number
         fieldList:
           type: array
           items:
@@ -86,4 +84,4 @@ components:
           $ref: "./common.yml#/components/schemas/RectangleCoordinates"
         rfidOrigin:
           description: "Only for images from RFID. Image location in RFID chip."
-          $ref: "./common.yml#/components/schemas/RfidOrigin"
\ No newline at end of file
+          $ref: "./common.yml#/components/schemas/RfidOrigin"