diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index 2f74a61..a2fa622 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,3 +1,6 @@
+# 0.15.1
+- fixed nano seconds conversion
+
 # 0.15.0
 - migrated to react 18 and vite dev server
 - added displaying of execution time for steps and scenarios
diff --git a/formatter/json_formatter.js b/formatter/json_formatter.js
index ece0c0c..f06b5f0 100644
--- a/formatter/json_formatter.js
+++ b/formatter/json_formatter.js
@@ -43,7 +43,7 @@ class JsonFormatter extends Formatter {
             const result= testCase.stepResults[step.id];
             step.result = {
                 status: result.status.toLowerCase(),
-                duration: result.duration.seconds * 1_000_000 + result.duration.nanos,
+                duration: result.duration.seconds * 1_000_000_000 + result.duration.nanos,
                 error_message: result.message
             };
             step.embeddings = testCase.stepAttachments[step.id]?.map(attachment => ({
diff --git a/package-lock.json b/package-lock.json
index 68f7e57..b0d7bcc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@qavajs/html-formatter",
-  "version": "0.15.0",
+  "version": "0.15.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@qavajs/html-formatter",
-      "version": "0.15.0",
+      "version": "0.15.1",
       "devDependencies": {
         "@cucumber/cucumber": "^10.0.1",
         "@epam/assets": "latest",
diff --git a/package.json b/package.json
index f67483b..87c9220 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@qavajs/html-formatter",
-  "version": "0.15.0",
+  "version": "0.15.1",
   "main": "formatter/formatter.js",
   "authors": [
     "Alexandr Galichenko",
diff --git a/src/components/Scenario.tsx b/src/components/Scenario.tsx
index f0acbdb..eaee723 100644
--- a/src/components/Scenario.tsx
+++ b/src/components/Scenario.tsx
@@ -7,7 +7,7 @@ import {TimeLabel} from "./TimeLabel";
 
 const filterByStatus = (scenario: any, status: string) => scenario.steps.filter((step: any) => step.result.status === status);
 const getScenarioDuration = (scenario: any) => {
-  return `${(scenario.steps.reduce((duration: number, step: any) => duration + (step?.result.duration ?? 0), 0) / 1_000_000).toFixed(2)}s`
+  return `${(scenario.steps.reduce((duration: number, step: any) => duration + (step?.result.duration ?? 0), 0) / 1_000_000_000).toFixed(2)}s`
 }
 const scenarioTitle = (scenario: any) => function ScenarioTitle() {
   const passed = filterByStatus(scenario, "passed").length;
diff --git a/src/components/Step.tsx b/src/components/Step.tsx
index 9ba39fb..568be98 100644
--- a/src/components/Step.tsx
+++ b/src/components/Step.tsx
@@ -99,7 +99,7 @@ export const Step = ({step}: {step: any}) => {
                 />)
             }
             <FlexSpacer/>
-            <TimeLabel time={`${(step.result.duration / 1_000_000).toFixed(2)}s`}/>
+            <TimeLabel time={`${(step.result.duration / 1_000_000_000).toFixed(2)}s`}/>
         </FlexRow>
         <div style={{display: 'flex'}}>
             {step.arguments && step.arguments.map((arg: any, index: number) => <Argument key={index} arg={arg}/>)}