diff -Naur xfce4-panel-4.8.3/plugins/pager/pager.c xfce4-panel-4.8.3-changed//plugins/pager/pager.c
--- xfce4-panel-4.8.3/plugins/pager/pager.c	2011-04-06 19:14:40.000000000 +0200
+++ xfce4-panel-4.8.3-changed//plugins/pager/pager.c	2011-05-11 13:34:05.000000000 +0200
@@ -240,34 +240,97 @@
   WnckWorkspace *new_ws;
   gint           active_n;
   gint           n_workspaces;
-
+  GList         *workspaces;
+  gint          rows, cols;
+  gint          new_x, new_y;
+  gint          workspace_width = 0, workspace_height = 0;
+  gint          screen_width = 0, screen_height = 0;
+  WnckWorkspace *workspace = NULL;
+    
   panel_return_val_if_fail (WNCK_IS_SCREEN (plugin->wnck_screen), FALSE);
 
-  /* leave when scrolling is not enabled */
-  if (plugin->scrolling == FALSE)
-    return TRUE;
+  workspaces = wnck_screen_get_workspaces (plugin->wnck_screen);
+  n_workspaces = g_list_length (workspaces);
 
-  active_ws = wnck_screen_get_active_workspace (plugin->wnck_screen);
-  active_n = wnck_workspace_get_number (active_ws);
+  if (G_UNLIKELY (n_workspaces == 1
+    && wnck_workspace_is_virtual (WNCK_WORKSPACE (workspaces->data))))
+  {
+    workspace = wnck_screen_get_active_workspace (plugin->wnck_screen);
+    
+    workspace_width = wnck_workspace_get_width (workspace);
+    workspace_height = wnck_workspace_get_height (workspace);
+    screen_width = wnck_screen_get_width (plugin->wnck_screen);
+    screen_height = wnck_screen_get_height (plugin->wnck_screen);
+    
+    panel_return_val_if_fail (WNCK_IS_SCREEN (plugin->wnck_screen), FALSE);
+    
+    if (plugin->scrolling == FALSE)
+      return TRUE;
+
+    cols = workspace_width / screen_width;
+    rows = workspace_height / screen_height;
+    
+    new_x = wnck_workspace_get_viewport_x (workspace);
+    new_y = wnck_workspace_get_viewport_y (workspace);
+    
+    new_x /= screen_width;
+    new_y /= screen_height;
+    
+    if(event->direction == GDK_SCROLL_UP || event->direction == GDK_SCROLL_LEFT) {
+    	new_x -= 1;
+    } else {
+    	new_x += 1;
+    }
+    
+    if(new_x < 0) {
+      if(new_y > 0) {
+        new_y -= 1;
+        new_x = cols - 1;
+      } else {
+        new_x = 0;
+      }
+    }
+    
+    if(new_x >= cols) {
+      if(new_y < rows - 1) {
+        new_y += 1;
+        new_x = 0;
+      } else {
+        new_x = cols - 1;
+      }
+    }
+    
+    new_x *= screen_width;
+    new_y *= screen_height;
+    
+    wnck_screen_move_viewport(plugin->wnck_screen,
+        new_x, new_y);
+  } else {
+  /* leave when scrolling is not enabled */
+    if (plugin->scrolling == FALSE)
+      return TRUE;
 
-  if (event->direction == GDK_SCROLL_UP
-      || event->direction == GDK_SCROLL_LEFT)
-    active_n--;
-  else
-    active_n++;
-
-  /* wrap around */
-  n_workspaces = wnck_screen_get_workspace_count (plugin->wnck_screen) - 1;
-  if (active_n < 0)
-    active_n = n_workspaces;
-  else if (active_n > n_workspaces)
-    active_n = 0;
-
-  new_ws = wnck_screen_get_workspace (plugin->wnck_screen, active_n);
-  if (new_ws != NULL && active_ws != new_ws)
-    wnck_workspace_activate (new_ws, event->time);
+    active_ws = wnck_screen_get_active_workspace (plugin->wnck_screen);
+    active_n = wnck_workspace_get_number (active_ws);
 
-  return TRUE;
+    if (event->direction == GDK_SCROLL_UP
+        || event->direction == GDK_SCROLL_LEFT)
+      active_n--;
+    else
+      active_n++;
+
+    /* wrap around */
+    n_workspaces = wnck_screen_get_workspace_count (plugin->wnck_screen) - 1;
+    if (active_n < 0)
+      active_n = n_workspaces;
+    else if (active_n > n_workspaces)
+      active_n = 0;
+
+    new_ws = wnck_screen_get_workspace (plugin->wnck_screen, active_n);
+    if (new_ws != NULL && active_ws != new_ws)
+      wnck_workspace_activate (new_ws, event->time);
+  }
+    return TRUE;
 }