Index: src/import-export/import-main-matcher.c
===================================================================
--- src/import-export/import-main-matcher.c	(revision 16943)
+++ src/import-export/import-main-matcher.c	(working copy)
@@ -364,6 +364,7 @@
      "text", col_num,
      "background", DOWNLOADED_COL_COLOR,
      NULL);
+  gtk_tree_view_column_set_sort_column_id(column, col_num);
   g_object_set(G_OBJECT(column),
 	       "reorderable", TRUE,
 	       "resizable", TRUE,
@@ -385,6 +386,7 @@
      "active", col_num,
      "cell-background", DOWNLOADED_COL_COLOR,
      NULL);
+  gtk_tree_view_column_set_sort_column_id(column, col_num);
   g_object_set(G_OBJECT(column),
 	       "reorderable", TRUE,
 	       NULL);
@@ -442,6 +444,7 @@
 				      "text", DOWNLOADED_COL_ACTION_INFO,
 				      "background", DOWNLOADED_COL_COLOR,
 				      NULL);
+  gtk_tree_view_column_set_sort_column_id(column, DOWNLOADED_COL_ACTION_INFO);
   g_object_set(G_OBJECT(column),
 	       "reorderable", TRUE,
 	       "resizable", TRUE,
