diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 7e76f7e23..7bb8fff3e 100755
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -23,6 +23,7 @@ For example when `attachable: false` is used with a modal, or if IE11/Edge is us
 - **Modal** - Fixes `@mobileTopAlignedMargin` theming variable was not implemented
 - **List** - Fixed issue where `content` would not take up 100% width when used alongside `img` or `icon`
 - **Dropdown** - `inline dropdown` `close icon` default right margin default spacing slightly modified.
+- **Icon** - Fixes missing `disk outline icon` alias #6556
 
 ### Version 2.3.3 - June 18, 2018
 
diff --git a/src/themes/default/elements/icon.overrides b/src/themes/default/elements/icon.overrides
old mode 100644
new mode 100755
index 6c10b6c9e..8dbaaa5d6
--- a/src/themes/default/elements/icon.overrides
+++ b/src/themes/default/elements/icon.overrides
@@ -1350,9 +1350,9 @@ i.icon.youtube.play:before { content: "\f167"; }
   i.icon.window.maximize.outline:before { content: "\f2d0"; }
   i.icon.window.minimize.outline:before { content: "\f2d1"; }
   i.icon.window.restore.outline:before { content: "\f2d2"; }
-  i.icon.disk.outline:before { content: "\f369"; }
 
   /* Outline Aliases */
+  i.icon.disk.outline:before { content: "\f0A0"; }
   i.icon.heart.empty,
   i.icon.star.empty {
     font-family: @outlineFontName;