diff --git a/server/services/utils/__tests__/adHelpers.test.js b/server/services/utils/__tests__/adHelpers.test.js
index 16a2dc613..2adb8fc9f 100644
--- a/server/services/utils/__tests__/adHelpers.test.js
+++ b/server/services/utils/__tests__/adHelpers.test.js
@@ -72,7 +72,7 @@ describe('helpers', () => {
             dataStartTime: 1587929940000,
             dataEndTime: 1587930000000,
             anomalyGrade: 0,
-            confidence: 0,
+            confidence: '0.99',
             plotTime: 1587929970000,
           },
           {
@@ -80,7 +80,7 @@ describe('helpers', () => {
             dataStartTime: 1587930420000,
             dataEndTime: 1587930480000,
             anomalyGrade: 0,
-            confidence: 0,
+            confidence: '0.99',
             plotTime: 1587930450000,
           },
         ],
diff --git a/server/services/utils/adHelpers.js b/server/services/utils/adHelpers.js
index 96b047d80..d909a04e5 100644
--- a/server/services/utils/adHelpers.js
+++ b/server/services/utils/adHelpers.js
@@ -22,7 +22,7 @@ export const anomalyResultMapper = (anomalyResults) => {
           ? Number.parseFloat(rest.anomalyGrade).toFixed(2)
           : 0,
       confidence:
-        rest.anomalyGrade != null && rest.anomalyGrade > 0
+        rest.confidence != null && rest.confidence > 0
           ? Number.parseFloat(rest.confidence).toFixed(2)
           : 0,
       plotTime: rest.dataStartTime + Math.floor((rest.dataEndTime - rest.dataStartTime) / 2),