diff --git a/packages/primevue/src/buttongroup/style/ButtonGroupStyle.js b/packages/primevue/src/buttongroup/style/ButtonGroupStyle.js
index 7fb483638..037d99e3a 100644
--- a/packages/primevue/src/buttongroup/style/ButtonGroupStyle.js
+++ b/packages/primevue/src/buttongroup/style/ButtonGroupStyle.js
@@ -7,7 +7,7 @@ const theme = ({ dt }) => `
 
 .p-buttongroup .p-button:not(:last-child),
 .p-buttongroup .p-button:not(:last-child):hover {
-    border-right: 0 none;
+    border-inline-end: 0 none;
 }
 
 .p-buttongroup .p-button:not(:first-of-type):not(:last-of-type) {
@@ -15,13 +15,13 @@ const theme = ({ dt }) => `
 }
 
 .p-buttongroup .p-button:first-of-type:not(:only-of-type) {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
+    border-start-end-radius: 0;
+    border-end-end-radius: 0;
 }
 
 .p-buttongroup .p-button:last-of-type:not(:only-of-type) {
-    border-top-left-radius: 0;
-    border-bottom-left-radius: 0;
+    border-start-start-radius: 0;
+    border-end-start-radius: 0;
 }
 
 .p-buttongroup .p-button:focus {