diff --git a/core/src/main/resources/lib/form/radioBlock.jelly b/core/src/main/resources/lib/form/radioBlock.jelly
index fe06e8f12411..93b2853f2bea 100644
--- a/core/src/main/resources/lib/form/radioBlock.jelly
+++ b/core/src/main/resources/lib/form/radioBlock.jelly
@@ -62,7 +62,7 @@ THE SOFTWARE.
                  id="${name}-${value}"
                  name="${name}"
                  value="${value}"
-                 class="jenkins-radio__input"
+                 class="jenkins-radio__input radio-block-control block-control"
                  checked="${checked ? 'true' : null}"
                  disabled="${readOnlyMode ? 'true' : null}"
           />