diff --git a/services/web/frontend/stylesheets/app/editor/pdf.less b/services/web/frontend/stylesheets/app/editor/pdf.less
index d1b62ff879..021773282e 100644
--- a/services/web/frontend/stylesheets/app/editor/pdf.less
+++ b/services/web/frontend/stylesheets/app/editor/pdf.less
@@ -42,7 +42,7 @@
 }
 
 .toolbar-pdf-right {
-  flex: 1 0 0px;
+  flex: 1 0 auto;
 }
 
 .btn-toggle-logs {