diff --git a/customize.dist/src/less2/include/modal.less b/customize.dist/src/less2/include/modal.less
index d99e79896..bc9db8051 100644
--- a/customize.dist/src/less2/include/modal.less
+++ b/customize.dist/src/less2/include/modal.less
@@ -39,6 +39,7 @@
             background-color: @cp_alertify-bg;
             color: @cp_alertify-fg;
             box-shadow: @variables_shadow;
+            border-radius: @variables_radius;
 
             padding: @variables_padding;
             padding-top: @variables_padding * 2;