diff --git a/bootstrap.css b/bootstrap.css
index e83f46258c..1d0a29b519 100644
--- a/bootstrap.css
+++ b/bootstrap.css
@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Tue Dec 27 17:02:48 CST 2011
+ * Date: Tue Dec 27 17:38:27 CST 2011
  */
 html, body {
   margin: 0;
@@ -1628,6 +1628,23 @@ button.btn::-moz-focus-inner, input[type=submit].btn::-moz-focus-inner {
   -moz-border-radius-bottomright: 4px;
   border-bottom-right-radius: 4px;
 }
+.btn-group .btn.large:first-child {
+  margin-left: 0;
+  -webkit-border-top-left-radius: 6px;
+  -moz-border-radius-topleft: 6px;
+  border-top-left-radius: 6px;
+  -webkit-border-bottom-left-radius: 6px;
+  -moz-border-radius-bottomleft: 6px;
+  border-bottom-left-radius: 6px;
+}
+.btn-group .btn.large:last-child {
+  -webkit-border-top-right-radius: 6px;
+  -moz-border-radius-topright: 6px;
+  border-top-right-radius: 6px;
+  -webkit-border-bottom-right-radius: 6px;
+  -moz-border-radius-bottomright: 6px;
+  border-bottom-right-radius: 6px;
+}
 .btn-group .btn:hover, .btn-group .btn:focus, .btn-group .btn:active {
   z-index: 2;
 }
diff --git a/bootstrap.min.css b/bootstrap.min.css
index e2d7fccaa1..51e652bb95 100644
--- a/bootstrap.min.css
+++ b/bootstrap.min.css
@@ -221,6 +221,8 @@ button.btn::-moz-focus-inner,input[type=submit].btn::-moz-focus-inner{padding:0;
 .btn-group:after{clear:both;}
 .btn-group .btn{position:relative;float:left;margin-left:-1px;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;}.btn-group .btn:first-child{margin-left:0;-webkit-border-top-left-radius:4px;-moz-border-radius-topleft:4px;border-top-left-radius:4px;-webkit-border-bottom-left-radius:4px;-moz-border-radius-bottomleft:4px;border-bottom-left-radius:4px;}
 .btn-group .btn:last-child{-webkit-border-top-right-radius:4px;-moz-border-radius-topright:4px;border-top-right-radius:4px;-webkit-border-bottom-right-radius:4px;-moz-border-radius-bottomright:4px;border-bottom-right-radius:4px;}
+.btn-group .btn.large:first-child{margin-left:0;-webkit-border-top-left-radius:6px;-moz-border-radius-topleft:6px;border-top-left-radius:6px;-webkit-border-bottom-left-radius:6px;-moz-border-radius-bottomleft:6px;border-bottom-left-radius:6px;}
+.btn-group .btn.large:last-child{-webkit-border-top-right-radius:6px;-moz-border-radius-topright:6px;border-top-right-radius:6px;-webkit-border-bottom-right-radius:6px;-moz-border-radius-bottomright:6px;border-bottom-right-radius:6px;}
 .btn-group .btn:hover,.btn-group .btn:focus,.btn-group .btn:active{z-index:2;}
 .close{float:right;font-size:20px;font-weight:bold;line-height:13.5px;color:#000000;text-shadow:0 1px 0 #ffffff;filter:alpha(opacity=20);-moz-opacity:0.2;opacity:0.2;}.close:hover{color:#000000;text-decoration:none;filter:alpha(opacity=40);-moz-opacity:0.4;opacity:0.4;}
 .alert-message{position:relative;padding:7px 15px;margin-bottom:18px;color:#404040;text-shadow:0 1px 0 rgba(255, 255, 255, 0.5);background-color:#eedc94;background-image:-khtml-gradient(linear, left top, left bottom, from(#fceec1), to(#eedc94));background-image:-moz-linear-gradient(top, #fceec1, #eedc94);background-image:-ms-linear-gradient(top, #fceec1, #eedc94);background-image:-webkit-gradient(linear, left top, left bottom, color-stop(0%, #fceec1), color-stop(100%, #eedc94));background-image:-webkit-linear-gradient(top, #fceec1, #eedc94);background-image:-o-linear-gradient(top, #fceec1, #eedc94);background-image:linear-gradient(top, #fceec1, #eedc94);background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#fceec1', endColorstr='#eedc94', GradientType=0);border-color:#eedc94 #eedc94 #e4c652;border-color:rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);border-width:1px;border-style:solid;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;-webkit-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.25);-moz-box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.25);box-shadow:inset 0 1px 0 rgba(255, 255, 255, 0.25);}.alert-message .close{*margin-top:3px;}
diff --git a/lib/patterns.less b/lib/patterns.less
index d48d65e48b..7c9ee7e48f 100644
--- a/lib/patterns.less
+++ b/lib/patterns.less
@@ -417,6 +417,24 @@ input[type=submit].btn {
         -moz-border-radius-bottomright: 4px;
             border-bottom-right-radius: 4px;
   }
+  // Reset corners for large buttons
+  &.large:first-child {
+    margin-left: 0;
+       -webkit-border-top-left-radius: 6px;
+           -moz-border-radius-topleft: 6px;
+               border-top-left-radius: 6px;
+    -webkit-border-bottom-left-radius: 6px;
+        -moz-border-radius-bottomleft: 6px;
+            border-bottom-left-radius: 6px;
+  }
+  &.large:last-child {
+       -webkit-border-top-right-radius: 6px;
+           -moz-border-radius-topright: 6px;
+               border-top-right-radius: 6px;
+    -webkit-border-bottom-right-radius: 6px;
+        -moz-border-radius-bottomright: 6px;
+            border-bottom-right-radius: 6px;
+  }
 }
 // On hover/focus/active, bring the proper btn to front
 .btn-group .btn:hover,