diff --git a/gtk/actions.c b/gtk/actions.c
index 58f31bce8..148fba4dc 100644
--- a/gtk/actions.c
+++ b/gtk/actions.c
@@ -44,22 +44,15 @@ action_cb( GtkAction * a,
 
 static GtkRadioActionEntry sort_radio_entries[] =
 {
-    { "sort-by-activity", NULL,      N_( "Sort by _Activity" ),        NULL,
-      NULL, 0 },
-    { "sort-by-name",     NULL,        N_( "Sort by _Name" ),     NULL,
-      NULL, 1 },
-    { "sort-by-progress", NULL,        N_( "Sort by _Progress" ), NULL,
-      NULL, 2 },
-    { "sort-by-ratio",    NULL,        N_( "Sort by _Ratio" ),    NULL,
-      NULL, 3 },
-    { "sort-by-state",    NULL,        N_( "Sort by _State" ),    NULL,
-      NULL, 4 },
-    { "sort-by-tracker",  NULL,        N_( "Sort by _Tracker" ),  NULL,
-      NULL, 5 },
-    { "sort-by-age",      NULL,        N_( "Sort by A_ge" ),      NULL,
-      NULL, 6 },
-    { "sort-by-eta",      NULL,        N_( "Sort by _ETA" ),      NULL,
-      NULL, 7 }
+    { "sort-by-activity", NULL, N_( "Sort by _Activity" ), NULL, NULL, 0 },
+    { "sort-by-name",     NULL, N_( "Sort by _Name" ),     NULL, NULL, 1 },
+    { "sort-by-progress", NULL, N_( "Sort by _Progress" ), NULL, NULL, 2 },
+    { "sort-by-ratio",    NULL, N_( "Sort by _Ratio" ),    NULL, NULL, 3 },
+    { "sort-by-state",    NULL, N_( "Sort by _State" ),    NULL, NULL, 4 },
+    { "sort-by-tracker",  NULL, N_( "Sort by _Tracker" ),  NULL, NULL, 5 },
+    { "sort-by-age",      NULL, N_( "Sort by A_ge" ),      NULL, NULL, 6 },
+    { "sort-by-eta",      NULL, N_( "Sort by _ETA" ),      NULL, NULL, 7 },
+    { "sort-by-size",     NULL, N_( "Sort by Si_ze" ),     NULL, NULL, 8 }
 };
 
 static void
diff --git a/gtk/tr-core.c b/gtk/tr-core.c
index 0b1465b27..e23f15541 100644
--- a/gtk/tr-core.c
+++ b/gtk/tr-core.c
@@ -350,10 +350,10 @@ compareByName( GtkTreeModel *             model,
 }
 
 static int
-compareByAge( GtkTreeModel *             model,
-              GtkTreeIter *              a,
-              GtkTreeIter *              b,
-              gpointer         user_data UNUSED )
+compareByAge( GtkTreeModel * model,
+              GtkTreeIter  * a,
+              GtkTreeIter  * b,
+              gpointer       user_data UNUSED )
 {
     tr_torrent *ta, *tb;
 
@@ -363,20 +363,39 @@ compareByAge( GtkTreeModel *             model,
                         tr_torrentStatCached( tb )->addedDate );
 }
 
+static int
+compareBySize( GtkTreeModel * model,
+               GtkTreeIter  * a,
+               GtkTreeIter  * b,
+               gpointer       user_data UNUSED )
+{
+    tr_torrent *t;
+    const tr_info *ia, *ib;
+
+    gtk_tree_model_get( model, a, MC_TORRENT_RAW, &t, -1 );
+    ia = tr_torrentInfo( t );
+    gtk_tree_model_get( model, b, MC_TORRENT_RAW, &t, -1 );
+    ib = tr_torrentInfo( t );
+
+    if( ia->totalSize < ib->totalSize ) return 1;
+    if( ia->totalSize > ib->totalSize ) return -1;
+    return 0;
+}
+
 static int
 compareByProgress( GtkTreeModel *             model,
                    GtkTreeIter *              a,
                    GtkTreeIter *              b,
                    gpointer         user_data UNUSED )
 {
-    int            ret;
-    tr_torrent *   ta, *tb;
+    int ret;
+    tr_torrent * t;
     const tr_stat *sa, *sb;
 
-    gtk_tree_model_get( model, a, MC_TORRENT_RAW, &ta, -1 );
-    gtk_tree_model_get( model, b, MC_TORRENT_RAW, &tb, -1 );
-    sa = tr_torrentStatCached( ta );
-    sb = tr_torrentStatCached( tb );
+    gtk_tree_model_get( model, a, MC_TORRENT_RAW, &t, -1 );
+    sa = tr_torrentStatCached( t );
+    gtk_tree_model_get( model, b, MC_TORRENT_RAW, &t, -1 );
+    sb = tr_torrentStatCached( t );
     ret = compareDouble( sa->percentDone, sb->percentDone );
     if( !ret )
         ret = compareRatio( sa->ratio, sb->ratio );
@@ -419,10 +438,10 @@ compareByState( GtkTreeModel * model,
 }
 
 static int
-compareByTracker( GtkTreeModel *             model,
-                  GtkTreeIter *              a,
-                  GtkTreeIter *              b,
-                  gpointer         user_data UNUSED )
+compareByTracker( GtkTreeModel * model,
+                  GtkTreeIter  * a,
+                  GtkTreeIter  * b,
+                  gpointer       user_data UNUSED )
 {
     const tr_torrent *ta, *tb;
 
@@ -458,8 +477,9 @@ setSort( TrCore *     core,
         sort_func = compareByState;
     else if( !strcmp( mode, "sort-by-tracker" ) )
         sort_func = compareByTracker;
-    else
-    {
+    else if( !strcmp( mode, "sort-by-size" ) )
+        sort_func = compareBySize;
+    else {
         sort_func = compareByName;
         type = isReversed ? GTK_SORT_DESCENDING : GTK_SORT_ASCENDING;
     }
diff --git a/gtk/ui.h b/gtk/ui.h
index 36f8fdf39..81085e21d 100644
--- a/gtk/ui.h
+++ b/gtk/ui.h
@@ -35,10 +35,11 @@ static const char * fallback_ui_file =
     "      <separator/>\n"
     "      <menuitem action='sort-by-activity'/>\n"
     "      <menuitem action='sort-by-age'/>\n"
+    "      <menuitem action='sort-by-eta'/>\n"
     "      <menuitem action='sort-by-name'/>\n"
     "      <menuitem action='sort-by-progress'/>\n"
-    "      <menuitem action='sort-by-eta'/>\n"
     "      <menuitem action='sort-by-ratio'/>\n"
+    "      <menuitem action='sort-by-size'/>\n"
     "      <menuitem action='sort-by-state'/>\n"
     "      <menuitem action='sort-by-tracker'/>\n"
     "      <separator/>\n"