diff --git a/SeedDMS_Preview/Preview/Previewer.php b/SeedDMS_Preview/Preview/Previewer.php
index ba69b75a4..44a79837c 100644
--- a/SeedDMS_Preview/Preview/Previewer.php
+++ b/SeedDMS_Preview/Preview/Previewer.php
@@ -89,7 +89,7 @@ class SeedDMS_Preview_Previewer extends SeedDMS_Preview_Base {
 	 * @param string $target optional name of preview image (without extension)
 	 * @return boolean true on success, false on failure
 	 */
-	public function createRawPreview($infile, $dir, $mimetype, $width=0, $target='') { /* {{{ */
+	public function createRawPreview($infile, $dir, $mimetype, $width=0, $target='', &$new=false) { /* {{{ */
 		if($width == 0)
 			$width = $this->width;
 		else
@@ -120,6 +120,7 @@ class SeedDMS_Preview_Previewer extends SeedDMS_Preview_Base {
 			if($cmd) {
 				try {
 					self::execWithTimeout($cmd, $this->timeout);
+					$new = true;
 				} catch(Exception $e) {
 					$this->lastpreviewfile = '';
 					return false;
@@ -144,7 +145,7 @@ class SeedDMS_Preview_Previewer extends SeedDMS_Preview_Base {
 	 * @param integer $width desired width of preview image
 	 * @return boolean true on success, false on failure
 	 */
-	public function createPreview($object, $width=0) { /* {{{ */
+	public function createPreview($object, $width=0, &$new=false) { /* {{{ */
 		if(!$object)
 			return false;
 
@@ -155,7 +156,7 @@ class SeedDMS_Preview_Previewer extends SeedDMS_Preview_Base {
 		$document = $object->getDocument();
 		$file = $document->_dms->contentDir.$object->getPath();
 		$target = $this->getFileName($object, $width);
-		return $this->createRawPreview($file, $document->getDir(), $object->getMimeType(), $width, $target);
+		return $this->createRawPreview($file, $document->getDir(), $object->getMimeType(), $width, $target, $new);
 	} /* }}} */
 
 	/**
diff --git a/views/bootstrap4/class.Bootstrap4.php b/views/bootstrap4/class.Bootstrap4.php
index 17b395b69..621051e70 100644
--- a/views/bootstrap4/class.Bootstrap4.php
+++ b/views/bootstrap4/class.Bootstrap4.php
@@ -1373,7 +1373,7 @@ background-image: linear-gradient(to bottom, #882222, #111111);;
 ';
 		if($config['buttons']) {
 			foreach($config['buttons'] as $button)
-				$content .= '<button class="btn'.(!empty($button['id']) ? ' btn-primary" id="'.$button['id'].'"': ' btn-secondary" ').'data-dismiss="modal" aria-hidden="true">'.$button['title'].'</button>';
+				$content .= '<button class="btn'.(!empty($button['id']) ? ' btn-primary" id="'.$button['id'].'"': ' btn-secondary" ').' data-dismiss="modal" aria-hidden="true">'.$button['title'].'</button>';
 		}
 		$content .= '
 			</div>