diff --git a/src/pages/Telemetry/TelemetryView/Setpoints/SetpointSender.jsx b/src/pages/Telemetry/TelemetryView/Setpoints/SetpointSender.jsx
index 0073b9d..12006ea 100755
--- a/src/pages/Telemetry/TelemetryView/Setpoints/SetpointSender.jsx
+++ b/src/pages/Telemetry/TelemetryView/Setpoints/SetpointSender.jsx
@@ -37,20 +37,19 @@ export const SetpointSender = memo(({ idWell, onClose, visible, setpointNames })
 
     const onAdd = useCallback(async (sp) => setSetpoints((prevSp) => {
         sp.key = Date.now()
-        prevSp.push(sp)
-        return prevSp
+        return [...prevSp, sp]
     }), [])
 
     const onEdit = useCallback(async (sp) => setSetpoints((prevSp) => {
         const idx = prevSp.findIndex((val) => val.key === sp.key)
         prevSp[idx] = sp
-        return prevSp
+        return [...prevSp]
     }), [])
 
     const onDelete = useCallback(async (sp) => setSetpoints((prevSp) => {
         const idx = prevSp.findIndex((val) => val.key === sp.key)
         prevSp.splice(idx, 1)
-        return prevSp
+        return [...prevSp]
     }), [])
 
     const onModalOk = useCallback(() => invokeWebApiWrapperAsync(
@@ -81,6 +80,7 @@ export const SetpointSender = memo(({ idWell, onClose, visible, setpointNames })
             onCancel={onClose}
             onOk={onModalOk}
             okText={'Отправить'}
+            okButtonProps={{ disabled: setpoints.length <= 0 }}
         >
             <LoaderPortal show={isLoading}>
                 <Grid>