diff --git a/packages/math-input/src/keypad/index.jsx b/packages/math-input/src/keypad/index.jsx
index 9fe188cf1..ef92645de 100644
--- a/packages/math-input/src/keypad/index.jsx
+++ b/packages/math-input/src/keypad/index.jsx
@@ -205,9 +205,7 @@ const StyledButton = styled(Button)(({ category, isDelete, isComma, isDot }) =>
   },
   borderRadius: 0,
   ...(isDelete && {
-    '& > span': {
-      fontFamily: 'Roboto, Helvetica, Arial, sans-serif !important',
-    },
+    fontFamily: 'Roboto, Helvetica, Arial, sans-serif !important',
   }),
 }));