diff --git a/src/terminal-window.c b/src/terminal-window.c
index 132b98b..e0004c3 100644
--- a/src/terminal-window.c
+++ b/src/terminal-window.c
@@ -2931,6 +2931,24 @@ notebook_scroll_event_cb (GtkWidget      *widget,
     case GDK_SCROLL_UP:
       gtk_notebook_prev_page (notebook);
       break;
+    case GDK_SCROLL_SMOOTH:
+      switch (gtk_notebook_get_tab_pos (notebook)) {
+        case GTK_POS_LEFT:
+        case GTK_POS_RIGHT:
+          if (event->delta_y > 0)
+            gtk_notebook_next_page (notebook);
+          else if (event->delta_y < 0)
+            gtk_notebook_prev_page (notebook);
+          break;
+        case GTK_POS_TOP:
+        case GTK_POS_BOTTOM:
+          if (event->delta_x > 0)
+            gtk_notebook_next_page (notebook);
+          else if (event->delta_x < 0)
+            gtk_notebook_prev_page (notebook);
+          break;
+      }
+      break;
     }
 
   return TRUE;