diff --git a/scss/_variables.scss b/scss/_variables.scss
index ea5031f336..d7f5f4c68a 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -792,7 +792,7 @@ $modal-content-sm-up-box-shadow: 0 5px 15px rgba($black,.5) !default;
 
 $modal-backdrop-bg:           $black !default;
 $modal-backdrop-opacity:      .5 !default;
-$modal-header-border-color:   $gray-lightest !default;
+$modal-header-border-color:   $gray-lighter !default;
 $modal-footer-border-color:   $modal-header-border-color !default;
 $modal-header-border-width:   $modal-content-border-width !default;
 $modal-footer-border-width:   $modal-header-border-width !default;