diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 65ae5db99..5ef784396 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -1536,7 +1536,7 @@ td.gantt_selected_column .gantt_hdr,.gantt_selected_column_container {
 .icon-file.image-tiff { background-image: url(../images/files/image.png); }
 .icon-file.application-pdf { background-image: url(../images/files/pdf.png); }
 .icon-file.application-zip { background-image: url(../images/files/zip.png); }
-.icon-file.application-x-gzip { background-image: url(../images/files/zip.png); }
+.icon-file.application-gzip { background-image: url(../images/files/zip.png); }
 
 .sort-handle { cursor:move; }
 .sort-handle.ajax-loading { background-image: url(../images/loading.gif); }