diff --git a/css/GridField.css b/css/GridField.css
index 765ed6a2e..39d76c416 100644
--- a/css/GridField.css
+++ b/css/GridField.css
@@ -22,7 +22,7 @@
 .cms table.ss-gridfield.field tr th.action { border-right: 0; }
 .cms table.ss-gridfield.field tr th.first { -moz-border-radius-topleft: 7px; -webkit-border-top-left-radius: 7px; -o-border-top-left-radius: 7px; -ms-border-top-left-radius: 7px; -khtml-border-top-left-radius: 7px; border-top-left-radius: 7px; }
 .cms table.ss-gridfield.field tr th.last { -moz-border-radius-topright: 7px; -webkit-border-top-right-radius: 7px; -o-border-top-right-radius: 7px; -ms-border-top-right-radius: 7px; -khtml-border-top-right-radius: 7px; border-top-right-radius: 7px; }
-.cms table.ss-gridfield.field tr th button, .cms table.ss-gridfield.field tr th button:hover { font-size: 12px; margin-left: -0.9em; }
+.cms table.ss-gridfield.field tr th button, .cms table.ss-gridfield.field tr th button:hover { font-size: 12px; margin-left: -0.9em; border-bottom: 0; border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
 .cms table.ss-gridfield.field tr th button.ss-gridfield-sort, .cms table.ss-gridfield.field tr th button:hover.ss-gridfield-sort { text-align: left; padding: 0; color: #FFF; width: 95%; background: transparent; border: 0 none; -moz-box-shadow: none; -webkit-box-shadow: none; box-shadow: none; text-shadow: none; }
 .cms table.ss-gridfield.field tr th button:hover { color: #CCC !important; /* Not sure why IE think it needs this */ }
 .cms table.ss-gridfield.field tr th.extra button.ss-ui-button { padding: .3em; line-height: 1; -moz-box-shadow: none; -webkit-box-shadow: none; box-shadow: none; position: relative; top: -24px; border: #b1c0c5 solid 10px; border-bottom-width: 0; }
diff --git a/scss/GridField.scss b/scss/GridField.scss
index 796ba2392..59afa4c51 100644
--- a/scss/GridField.scss
+++ b/scss/GridField.scss
@@ -157,6 +157,9 @@ $gf_border_radius:	7px;
 				button,button:hover {
 					font-size: 12px;
 					margin-left: -.9em;
+					border-bottom: 0;
+					border-bottom-left-radius: 0;
+					border-bottom-right-radius: 0;					
 					&.ss-gridfield-sort {
 						text-align: left;
 						padding: 0;