diff --git a/packages/mui-material/src/StepContent/StepContent.js b/packages/mui-material/src/StepContent/StepContent.js
index 981303e80cd4b7..9e67b2c8e4677b 100644
--- a/packages/mui-material/src/StepContent/StepContent.js
+++ b/packages/mui-material/src/StepContent/StepContent.js
@@ -87,7 +87,7 @@ const StepContent = React.forwardRef(function StepContent(inProps, ref) {
   }
 
   const externalForwardedProps = {
-    slots: { transition: TransitionComponent, ...slots },
+    slots,
     slotProps: { transition: TransitionProps, ...slotProps },
   };