diff --git a/packages/slate-theme/src/styles/theme.scss b/packages/slate-theme/src/styles/theme.scss
index 6bb66c2fa..ff2bd3105 100644
--- a/packages/slate-theme/src/styles/theme.scss
+++ b/packages/slate-theme/src/styles/theme.scss
@@ -1,3 +1,4 @@
+@charset "UTF-8";
 /*============================================================================
   [replace with theme name] | Built with Slate
     - You cannot use native CSS/Sass @imports in this file without a build script