diff --git a/packages/mui-material/src/DialogActions/DialogActions.js b/packages/mui-material/src/DialogActions/DialogActions.js
index 46c08503e10744..5e391488724d02 100644
--- a/packages/mui-material/src/DialogActions/DialogActions.js
+++ b/packages/mui-material/src/DialogActions/DialogActions.js
@@ -31,7 +31,9 @@ const DialogActionsRoot = styled('div', {
   justifyContent: 'flex-end',
   flex: '0 0 auto',
   ...(!ownerState.disableSpacing && {
-    '& > :not(:first-of-type)': {
+       // '& > :not(:first-of-type)': {
+     '& > button, & > *:not(:first-of-type):not(button)': {
+       // '& > *': {
       marginLeft: 8,
     },
   }),