diff --git a/mailpoet/assets/css/src/mailpoet-form-editor.scss b/mailpoet/assets/css/src/mailpoet-form-editor.scss
index ae4b43c9f2..5354d6d080 100644
--- a/mailpoet/assets/css/src/mailpoet-form-editor.scss
+++ b/mailpoet/assets/css/src/mailpoet-form-editor.scss
@@ -20,6 +20,7 @@
 @import '../../../node_modules/@wordpress/edit-post/build-style/style';
 @import '../../../node_modules/@wordpress/edit-post/build-style/classic';
 @import '../../../node_modules/@wordpress/block-editor/build-style/style';
+@import '../../../node_modules/@wordpress/block-editor/build-style/content';
 @import '../../../node_modules/@wordpress/block-library/build-style/style';
 @import '../../../node_modules/@wordpress/block-library/build-style/theme';
 @import '../../../node_modules/@wordpress/block-library/build-style/editor';