diff --git a/Mac/Base.lproj/MainWindow.storyboard b/Mac/Base.lproj/MainWindow.storyboard
index e2f32da17..02c9142a1 100644
--- a/Mac/Base.lproj/MainWindow.storyboard
+++ b/Mac/Base.lproj/MainWindow.storyboard
@@ -315,7 +315,7 @@
                                             <color key="backgroundColor" name="_sourceListBackgroundColor" catalog="System" colorSpace="catalog"/>
                                             <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
                                             <tableColumns>
-                                                <tableColumn width="208" minWidth="23" maxWidth="1000" id="ih9-mJ-EA7">
+                                                <tableColumn width="237" minWidth="23" maxWidth="1000" id="ih9-mJ-EA7">
                                                     <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border">
                                                         <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
                                                         <color key="backgroundColor" name="headerColor" catalog="System" colorSpace="catalog"/>