diff --git a/Window.py b/Window.py
index e705ed4..5800a10 100644
--- a/Window.py
+++ b/Window.py
@@ -55,6 +55,7 @@ class Window:
         if self.projects_present:
             self.projects_container.remove(self.projects_table)
         self.projects = self.ds.getProjects()
+        self.project_hours = {}
         projects_to_show = {}
         for p in self.shown_projects:
             projects_to_show[p] = 1
@@ -74,6 +75,9 @@ class Window:
         row = 1
         for p in projects_to_show:
             self.projects_table.attach(gtk.Label(p), 0, 1, row, row + 1)
+            for i in range(1, len(col_headers)):
+                l = gtk.Label()
+                self.projects_table.attach(l, i, i + 1, row, row + 1)
             row += 1
 
         # Totals row