diff --git a/view/templates/item/compose.tpl b/view/templates/item/compose.tpl
index 09e42c90e5..60c27da35f 100644
--- a/view/templates/item/compose.tpl
+++ b/view/templates/item/compose.tpl
@@ -70,7 +70,7 @@
 					<img role="presentation" id="profile-rotator" src="images/rotator.gif" alt="{{$l10n.wait}}" title="{{$l10n.wait}}" style="display: none;" />
 				</span>
 				<span role="presentation" id="character-counter" class="grey text-info"></span>
-				<button type="button" class="btn btn-defaul" onclick="preview_comment({{$id}});" id="comment-edit-preview-link-{{$id}}" tabindex="5"><i class="fa fa-eye"></i> {{$l10n.preview}}</button>
+				<button type="button" class="btn btn-default" onclick="preview_comment({{$id}});" id="comment-edit-preview-link-{{$id}}" tabindex="5"><i class="fa fa-eye"></i> {{$l10n.preview}}</button>
 				<button type="submit" class="btn btn-primary" id="comment-edit-submit-{{$id}}" name="submit" tabindex="4"><i class="fa fa-envelope"></i> {{$l10n.submit}}</button>
 			</p>