diff --git a/unix/gtkwin.c b/unix/gtkwin.c
index 74b0a2d8..b8607665 100644
--- a/unix/gtkwin.c
+++ b/unix/gtkwin.c
@@ -965,6 +965,15 @@ gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
 	 * Shift-PgUp and Shift-PgDn don't even generate keystrokes
 	 * at all.
 	 */
+        if (event->keyval == GDK_KEY_Page_Up &&
+            ((event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) ==
+             (GDK_CONTROL_MASK | GDK_SHIFT_MASK))) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+            debug((" - Ctrl-Shift-PgUp scroll\n"));
+#endif
+            term_scroll(inst->term, 1, 0);
+            return TRUE;
+        }
 	if (event->keyval == GDK_KEY_Page_Up &&
             (event->state & GDK_SHIFT_MASK)) {
 #ifdef KEY_EVENT_DIAGNOSTICS
@@ -981,6 +990,15 @@ gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
 	    term_scroll(inst->term, 0, -1);
 	    return TRUE;
 	}
+        if (event->keyval == GDK_KEY_Page_Down &&
+            ((event->state & (GDK_CONTROL_MASK | GDK_SHIFT_MASK)) ==
+             (GDK_CONTROL_MASK | GDK_SHIFT_MASK))) {
+#ifdef KEY_EVENT_DIAGNOSTICS
+            debug((" - Ctrl-shift-PgDn scroll\n"));
+#endif
+            term_scroll(inst->term, -1, 0);
+            return TRUE;
+        }
 	if (event->keyval == GDK_KEY_Page_Down &&
             (event->state & GDK_SHIFT_MASK)) {
 #ifdef KEY_EVENT_DIAGNOSTICS
diff --git a/windows/window.c b/windows/window.c
index 1bef1daa..5a7040c4 100644
--- a/windows/window.c
+++ b/windows/window.c
@@ -4170,6 +4170,15 @@ static int TranslateKey(UINT message, WPARAM wParam, LPARAM lParam,
 	    SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0);
 	    return 0;
 	}
+        if (wParam == VK_PRIOR && shift_state == 3) { /* ctrl-shift-pageup */
+            SendMessage(hwnd, WM_VSCROLL, SB_TOP, 0);
+            return 0;
+        }
+        if (wParam == VK_NEXT && shift_state == 3) { /* ctrl-shift-pagedown */
+            SendMessage(hwnd, WM_VSCROLL, SB_BOTTOM, 0);
+            return 0;
+        }
+
 	if (wParam == VK_PRIOR && shift_state == 2) {
 	    SendMessage(hwnd, WM_VSCROLL, SB_LINEUP, 0);
 	    return 0;