diff --git a/src/device/services/device.service.ts b/src/device/services/device.service.ts
index 96cba90..ebe73e2 100644
--- a/src/device/services/device.service.ts
+++ b/src/device/services/device.service.ts
@@ -986,11 +986,11 @@ export class DeviceService {
         (acc, currentStatus) => {
           const { code } = currentStatus;
 
-          if (code.includes('A')) {
+          if (code.endsWith('A')) {
             acc.phaseA.push(currentStatus);
-          } else if (code.includes('B')) {
+          } else if (code.endsWith('B')) {
             acc.phaseB.push(currentStatus);
-          } else if (code.includes('C')) {
+          } else if (code.endsWith('C')) {
             acc.phaseC.push(currentStatus);
           } else {
             acc.general.push(currentStatus);