diff --git a/less/input-groups.less b/less/input-groups.less
index 153b229574..570f03f904 100644
--- a/less/input-groups.less
+++ b/less/input-groups.less
@@ -32,7 +32,7 @@
 .input-group-lg > .input-group-btn > .btn { .input-lg(); }
 .input-group-sm > .form-control,
 .input-group-sm > .input-group-addon,
-.input-group-lg > .input-group-btn > .btn { .input-sm(); }
+.input-group-sm > .input-group-btn > .btn { .input-sm(); }
 
 
 // Display as table-cell