diff --git a/frameworks/blueprint/stylesheets/blueprint/_interaction.scss b/frameworks/blueprint/stylesheets/blueprint/_interaction.scss
index 306b4f5a..fcf006fc 100644
--- a/frameworks/blueprint/stylesheets/blueprint/_interaction.scss
+++ b/frameworks/blueprint/stylesheets/blueprint/_interaction.scss
@@ -3,6 +3,7 @@
 @mixin blueprint-interaction {
   .feedback  { @include feedback-base;     }
   .error     { @include error(feedback);   }
+  .alert     { @extend .error;             }
   .notice    { @include notice(feedback);  }
   .success   { @include success(feedback); }
   .info      { @include info(feedback);    }
diff --git a/test/fixtures/stylesheets/blueprint/css/screen.css b/test/fixtures/stylesheets/blueprint/css/screen.css
index febcddb3..12ae5715 100644
--- a/test/fixtures/stylesheets/blueprint/css/screen.css
+++ b/test/fixtures/stylesheets/blueprint/css/screen.css
@@ -664,16 +664,16 @@ input.span-24, textarea.span-24, select.span-24 {
 .showgrid {
   background: url('/images/grid.png?busted=true'); }
 
-.feedback, .error, .notice, .success, .info {
+.feedback, .error, .alert, .notice, .success, .info {
   padding: 0.8em;
   margin-bottom: 1em;
   border: 2px solid #dddddd; }
 
-.error {
+.error, .alert {
   background: #fbe3e4;
   color: #8a1f11;
   border-color: #fbc2c4; }
-  .error a {
+  .error a, .alert a {
     color: #8a1f11; }
 
 .notice {
diff --git a/test/fixtures/stylesheets/blueprint/css/single-imports/interaction.css b/test/fixtures/stylesheets/blueprint/css/single-imports/interaction.css
index 7151c966..30f846ab 100644
--- a/test/fixtures/stylesheets/blueprint/css/single-imports/interaction.css
+++ b/test/fixtures/stylesheets/blueprint/css/single-imports/interaction.css
@@ -1,13 +1,13 @@
-.feedback, .error, .notice, .success, .info {
+.feedback, .error, .alert, .notice, .success, .info {
   padding: 0.8em;
   margin-bottom: 1em;
   border: 2px solid #dddddd; }
 
-.error {
+.error, .alert {
   background: #fbe3e4;
   color: #8a1f11;
   border-color: #fbc2c4; }
-  .error a {
+  .error a, .alert a {
     color: #8a1f11; }
 
 .notice {