diff --git a/lib/helper.php b/lib/helper.php
index 6153f318723..0853c792750 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -231,11 +231,11 @@ class OC_Helper {
 	 * Returns the path to the preview of the file.
 	 */
 	public static function previewIcon($path) {
-		return self::linkToRoute( 'core_ajax_preview', array('x' => 44, 'y' => 44, 'file' => urlencode($path) ));
+		return self::linkToRoute( 'core_ajax_preview', array('x' => 36, 'y' => 36, 'file' => urlencode($path) ));
 	}
 
 	public static function publicPreview_icon( $path, $token ) {
-		return self::linkToRoute( 'core_ajax_public_preview', array('x' => 44, 'y' => 44, 'file' => urlencode($path), 't' => $token));
+		return self::linkToRoute( 'core_ajax_public_preview', array('x' => 36, 'y' => 36, 'file' => urlencode($path), 't' => $token));
 	}
 
 	/**
diff --git a/lib/preview.php b/lib/preview.php
index 03aaaceb9ca..c570a17e4a7 100755
--- a/lib/preview.php
+++ b/lib/preview.php
@@ -784,7 +784,7 @@ class PreviewManager {
 	public static function showErrorPreview() {
 		$path = \OC::$SERVERROOT . '/core/img/actions/delete.png';
 		$preview = new \OC_Image($path);
-		$preview->preciseResize(44, 44);
+		$preview->preciseResize(36, 36);
 		$preview->show();
 	}
 }
\ No newline at end of file