diff --git a/wp-admin/css/plugin-install.css b/wp-admin/css/plugin-install.css
index 645972bff..87fc417c1 100644
--- a/wp-admin/css/plugin-install.css
+++ b/wp-admin/css/plugin-install.css
@@ -68,7 +68,7 @@ div.star img {
 	border-top-left-radius: 3px;
 	-webkit-border-bottom-left-radius: 3px;
 	-khtml-border-bottom-left-radius: 3px;
-	border-top-bottom-radius: 3px;
+	border-bottom-left-radius: 3px;
 }
 
 #plugin-information .action-button a {
@@ -110,7 +110,7 @@ div.star img {
 	-moz-border-radius-bottomleft: 3px;
 	-webkit-border-bottom-left-radius: 3px;
 	-khtml-border-bottom-left-radius: 3px;
-	border-top-bottom-radius: 3px;
+	border-bottom-left-radius: 3px;
 }
 
 #plugin-information .fyi li {