diff --git a/phpBB/styles/prosilver/template/forum_fn.js b/phpBB/styles/prosilver/template/forum_fn.js
index aabc5679f6..5d17bf50d2 100644
--- a/phpBB/styles/prosilver/template/forum_fn.js
+++ b/phpBB/styles/prosilver/template/forum_fn.js
@@ -410,7 +410,13 @@ function parseDocument($container) {
 		// Function that checks breadcrumbs
 		function check() {
 			var height = $this.height(),
-				width = $body.width();
+				width;
+
+			// Test max-width set in code for .navlinks above
+			width = parseInt($this.css('max-width'));
+			if (!width) {
+ 				width = $body.width();
+			}
 
 			maxHeight = parseInt($this.css('line-height'));
 			$links.each(function() {