diff --git a/core/src/main/resources/lib/form/number.jelly b/core/src/main/resources/lib/form/number.jelly
index ffd5cb092abb..5489fb8ef2b5 100644
--- a/core/src/main/resources/lib/form/number.jelly
+++ b/core/src/main/resources/lib/form/number.jelly
@@ -96,7 +96,7 @@ THE SOFTWARE.
 
   <f:possibleReadOnlyField>
     <m:input xmlns:m="jelly:hudson.util.jelly.MorphTagLibrary"
-           class="setting-input ${attrs.checkUrl!=null?'validated':''} ${attrs.clazz}"
+           class="jenkins-input ${attrs.checkUrl!=null?'validated':''} ${attrs.clazz}"
            name="${name}"
            value="${value}"
            type="number"