diff --git a/src/styles/components/_kanji.scss b/src/styles/components/_kanji.scss
index a810ac7..8194d9b 100644
--- a/src/styles/components/_kanji.scss
+++ b/src/styles/components/_kanji.scss
@@ -47,7 +47,7 @@
   }
 
   $side: 5em;
-  $radius: $side / 2;
+  $radius: math.div($side, 2);
 
   .spinner-wrap {
     display: flex;