diff --git a/fpicker/uiconfig/ui/explorerfiledialog.ui b/fpicker/uiconfig/ui/explorerfiledialog.ui
index 057b7f970014..dad5ff0a259c 100644
--- a/fpicker/uiconfig/ui/explorerfiledialog.ui
+++ b/fpicker/uiconfig/ui/explorerfiledialog.ui
@@ -59,6 +59,7 @@
                         <property name="visible">True</property>
                         <property name="can_focus">True</property>
                         <property name="hexpand">True</property>
+                        <property name="max_width_chars">40</property>
                       </object>
                       <packing>
                         <property name="expand">False</property>
@@ -279,6 +280,7 @@
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
                                 <property name="hexpand">True</property>
+                                <property name="max_width_chars">40</property>
                               </object>
                               <packing>
                                 <property name="left_attach">1</property>