diff --git a/frontend/resources/styles/main/partials/viewer-header.scss b/frontend/resources/styles/main/partials/viewer-header.scss
index b8b3a5ccc4..8b6f8ed0cd 100644
--- a/frontend/resources/styles/main/partials/viewer-header.scss
+++ b/frontend/resources/styles/main/partials/viewer-header.scss
@@ -76,6 +76,11 @@
           display: none;
         }
       }
+      &:hover {
+        svg {
+          fill: #b1b2b5;
+        }
+      }
     }
 
     .view-options {
diff --git a/frontend/src/app/main/ui/viewer/header.cljs b/frontend/src/app/main/ui/viewer/header.cljs
index 2af7d3dc9b..c70a5cab98 100644
--- a/frontend/src/app/main/ui/viewer/header.cljs
+++ b/frontend/src/app/main/ui/viewer/header.cljs
@@ -118,7 +118,7 @@
         i/full-screen)]
 
      (when (:is-admin permissions)
-       [:span.btn-primary {:on-click open-share-dialog} i/export [:span (tr "labels.share-prototype")]])
+       [:span.btn-primary.tooltip.tooltip-bottom-left {:on-click open-share-dialog :alt (tr "labels.share-prototype")} i/export [:span (tr "labels.share-prototype")]])
 
      (when (:can-edit permissions)
        [:span.btn-text-dark {:on-click go-to-workspace} (tr "labels.edit-file")])