diff --git a/services/web/public/coffee/ide/pdfng/directives/pdfViewer.coffee b/services/web/public/coffee/ide/pdfng/directives/pdfViewer.coffee
index 8d4100c9ba..aa42b28db9 100644
--- a/services/web/public/coffee/ide/pdfng/directives/pdfViewer.coffee
+++ b/services/web/public/coffee/ide/pdfng/directives/pdfViewer.coffee
@@ -92,6 +92,8 @@ define [
 				# console.log 'position is', position.page, position.offset
 				# console.log 'setting current page', position.page
 				pagenum = position.page
+				if pagenum > $scope.numPages - 1
+					pagenum = $scope.numPages - 1
 				$scope.pages[pagenum].current = true
 				$scope.pages[pagenum].position = position