diff --git a/designer-chart/src/main/resources/com/fr/design/editor/rich_editor.html b/designer-chart/src/main/resources/com/fr/design/editor/rich_editor.html
index 197b2ed425..08e2437ada 100644
--- a/designer-chart/src/main/resources/com/fr/design/editor/rich_editor.html
+++ b/designer-chart/src/main/resources/com/fr/design/editor/rich_editor.html
@@ -86,7 +86,10 @@
             toolbar: {
                 buttons: [
                     {type: "bi.rich_editor_font_chooser"},
-                    {type: "bi.rich_editor_size_chooser"},
+                    {
+                        type: "bi.rich_editor_size_chooser",
+                        width: 70
+                    },
                     {type: "bi.rich_editor_bold_button"},
                     {type: "bi.rich_editor_italic_button"},
                     {type: "bi.rich_editor_underline_button"},