diff --git a/change/@fluentui-react-button-900164ea-88e7-4c4d-8bc8-36ec6d3e2619.json b/change/@fluentui-react-button-900164ea-88e7-4c4d-8bc8-36ec6d3e2619.json
new file mode 100644
index 0000000000000..faa4ec92133a3
--- /dev/null
+++ b/change/@fluentui-react-button-900164ea-88e7-4c4d-8bc8-36ec6d3e2619.json
@@ -0,0 +1,7 @@
+{
+  "type": "patch",
+  "comment": "fix: updated right border token in primary variant of split button",
+  "packageName": "@fluentui/react-button",
+  "email": "kakrookaran@gmail.com",
+  "dependentChangeType": "patch"
+}
diff --git a/packages/react-components/react-button/src/components/SplitButton/useSplitButtonStyles.styles.ts b/packages/react-components/react-button/src/components/SplitButton/useSplitButtonStyles.styles.ts
index fabd4b2341603..7115b633bda11 100644
--- a/packages/react-components/react-button/src/components/SplitButton/useSplitButtonStyles.styles.ts
+++ b/packages/react-components/react-button/src/components/SplitButton/useSplitButtonStyles.styles.ts
@@ -50,18 +50,18 @@ const useRootStyles = makeStyles({
   },
   primary: {
     [`& .${splitButtonClassNames.primaryActionButton}`]: {
-      borderRightColor: tokens.colorNeutralForegroundOnBrand,
+      borderRightColor: tokens.colorNeutralStrokeOnBrand,
     },
 
     ':hover': {
       [`& .${splitButtonClassNames.primaryActionButton}`]: {
-        borderRightColor: tokens.colorNeutralForegroundOnBrand,
+        borderRightColor: tokens.colorNeutralStrokeOnBrand,
       },
     },
 
     ':hover:active': {
       [`& .${splitButtonClassNames.primaryActionButton}`]: {
-        borderRightColor: tokens.colorNeutralForegroundOnBrand,
+        borderRightColor: tokens.colorNeutralStrokeOnBrand,
       },
     },