diff --git a/src/openforms/scss/components/builder/_openforms-component.scss b/src/openforms/scss/components/builder/_openforms-component.scss
index e87522eb2d..e05bf9becf 100644
--- a/src/openforms/scss/components/builder/_openforms-component.scss
+++ b/src/openforms/scss/components/builder/_openforms-component.scss
@@ -1,3 +1,5 @@
+@import '~microscope-sass/lib/typography';
+
 @import '../../../ui/static/ui/scss/settings';
 @import '../../vars';
 
@@ -14,6 +16,10 @@
       $color-tooltip-background 20px
     );
 
+    legend {
+      @include h2(auto);
+    }
+
     label {
       color: $color_dark;
     }