diff --git a/r2/r2/public/static/css/reddit.css b/r2/r2/public/static/css/reddit.css
index 68623b46d..c569b1ee1 100755
--- a/r2/r2/public/static/css/reddit.css
+++ b/r2/r2/public/static/css/reddit.css
@@ -997,6 +997,10 @@ a.author { margin-right: 0.5em; }
     padding-left: 10px;
 }
 
+#wiki_revision_reason {
+    width: 100%;
+}
+
 .wiki-page .revision {
     transition: opacity 500ms;
     -o-transition: opacity 500ms;
diff --git a/r2/r2/templates/wikieditpage.html b/r2/r2/templates/wikieditpage.html
index f4503ba2c..33060478b 100644
--- a/r2/r2/templates/wikieditpage.html
+++ b/r2/r2/templates/wikieditpage.html
@@ -43,7 +43,7 @@
     %if thing.show_reason_field:
         <br/><br/>
         <label for="reason">${_("reason for revision")}</label><br/>
-        <input type="text" name="reason" style="width: 100%" />
+        <input type="text" name="reason" id="wiki_revision_reason" />
     %endif
     <input type="hidden" id="previous" name="previous" value="${thing.previous}" /><br/><br/>
     <input type="submit" value="${_('save page')}" />