diff --git a/resources/manager_window.ui b/resources/manager_window.ui
index 6e2f9fd..fbbd16e 100644
--- a/resources/manager_window.ui
+++ b/resources/manager_window.ui
@@ -464,14 +464,12 @@
                           <object class="GtkTreeViewColumn" id="state_column">
                             <property name="resizable">True</property>
                             <property name="min_width">20</property>
+                            <property name="fixed_width">40</property>
                             <property name="title" translatable="yes">State</property>
                             <property name="clickable">True</property>
                             <signal name="clicked" handler="on_state_column_clicked" swapped="no"/>
                             <child>
-                              <object class="GtkCellRendererPixbuf" id="state_rendererpixbuf">
-                                <property name="width">40</property>
-                                <property name="height">22</property>
-                              </object>
+                              <object class="GtkCellRendererPixbuf" id="state_rendererpixbuf"/>
                               <attributes>
                                 <attribute name="pixbuf">1</attribute>
                               </attributes>
@@ -482,15 +480,13 @@
                           <object class="GtkTreeViewColumn" id="name_column">
                             <property name="resizable">True</property>
                             <property name="min_width">20</property>
+                            <property name="fixed_width">150</property>
                             <property name="title" translatable="yes">Name</property>
                             <property name="expand">True</property>
                             <property name="clickable">True</property>
                             <signal name="clicked" handler="on_name_column_clicked" swapped="no"/>
                             <child>
-                              <object class="GtkCellRendererText" id="name_renderertext">
-                                <property name="width">150</property>
-                                <property name="height">22</property>
-                              </object>
+                              <object class="GtkCellRendererText" id="name_renderertext"/>
                               <attributes>
                                 <attribute name="text">0</attribute>
                               </attributes>
@@ -501,14 +497,12 @@
                           <object class="GtkTreeViewColumn" id="version_column">
                             <property name="resizable">True</property>
                             <property name="min_width">20</property>
+                            <property name="fixed_width">90</property>
                             <property name="title" translatable="yes">Version</property>
                             <property name="clickable">True</property>
                             <signal name="clicked" handler="on_version_column_clicked" swapped="no"/>
                             <child>
-                              <object class="GtkCellRendererText" id="version_renderertext">
-                                <property name="width">90</property>
-                                <property name="height">22</property>
-                              </object>
+                              <object class="GtkCellRendererText" id="version_renderertext"/>
                               <attributes>
                                 <attribute name="text">2</attribute>
                               </attributes>
@@ -519,14 +513,12 @@
                           <object class="GtkTreeViewColumn" id="repo_column">
                             <property name="resizable">True</property>
                             <property name="min_width">20</property>
+                            <property name="fixed_width">90</property>
                             <property name="title" translatable="yes">Repository</property>
                             <property name="clickable">True</property>
                             <signal name="clicked" handler="on_repo_column_clicked" swapped="no"/>
                             <child>
-                              <object class="GtkCellRendererText" id="repo_renderertext">
-                                <property name="width">90</property>
-                                <property name="height">22</property>
-                              </object>
+                              <object class="GtkCellRendererText" id="repo_renderertext"/>
                               <attributes>
                                 <attribute name="text">3</attribute>
                               </attributes>
@@ -537,14 +529,12 @@
                           <object class="GtkTreeViewColumn" id="size_column">
                             <property name="resizable">True</property>
                             <property name="min_width">20</property>
+                            <property name="fixed_width">90</property>
                             <property name="title" translatable="yes">Size</property>
                             <property name="clickable">True</property>
                             <signal name="clicked" handler="on_size_column_clicked" swapped="no"/>
                             <child>
-                              <object class="GtkCellRendererText" id="size_renderertext">
-                                <property name="width">90</property>
-                                <property name="height">22</property>
-                              </object>
+                              <object class="GtkCellRendererText" id="size_renderertext"/>
                               <attributes>
                                 <attribute name="text">4</attribute>
                               </attributes>
diff --git a/resources/updater_window.ui b/resources/updater_window.ui
index 4ede409..c313d75 100644
--- a/resources/updater_window.ui
+++ b/resources/updater_window.ui
@@ -66,10 +66,7 @@
                   <object class="GtkTreeViewColumn" id="treeviewcolumn1">
                     <property name="expand">True</property>
                     <child>
-                      <object class="GtkCellRendererText" id="update_name">
-                        <property name="width">200</property>
-                        <property name="height">22</property>
-                      </object>
+                      <object class="GtkCellRendererText" id="update_name"/>
                       <attributes>
                         <attribute name="text">1</attribute>
                       </attributes>
@@ -79,10 +76,7 @@
                 <child>
                   <object class="GtkTreeViewColumn" id="treeviewcolumn2">
                     <child>
-                      <object class="GtkCellRendererText" id="download_size">
-                        <property name="width">80</property>
-                        <property name="height">22</property>
-                      </object>
+                      <object class="GtkCellRendererText" id="download_size"/>
                       <attributes>
                         <attribute name="text">2</attribute>
                       </attributes>