diff --git a/less/forms.less b/less/forms.less
index 172ed027dc..6a8edfb676 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -672,7 +672,8 @@ legend + .control-group {
   // And apply it only to .help-block instances that follow a form control
   input,
   select,
-  textarea {
+  textarea,
+  span.input {
     + .help-block {
       margin-top: @baseLineHeight / 2;
     }