diff --git a/src/normal.c b/src/normal.c
index 16f9f0e..25ab2d3 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -4638,6 +4638,11 @@
 
     if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN)
     {
+# ifdef FEAT_TERMINAL
+	if (term_use_loop())
+	    send_keys_to_term(curbuf->b_term, cap->cmdchar, TRUE);
+	else
+# endif
 	if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
 	{
 	    (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
diff --git a/src/proto/terminal.pro b/src/proto/terminal.pro
index 157b6aa..b6c27ed 100644
--- a/src/proto/terminal.pro
+++ b/src/proto/terminal.pro
@@ -5,6 +5,7 @@
 int term_job_running(term_T *term);
 int term_in_terminal_mode(void);
 void term_leave_terminal_mode(void);
+int send_keys_to_term(term_T *term, int c, int typed);
 int term_use_loop(void);
 int terminal_loop(void);
 void term_job_ended(job_T *job);
diff --git a/src/terminal.c b/src/terminal.c
index 0f5382b..20c9272 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -37,7 +37,6 @@
  *
  * TODO:
  * - MS-Windows: no redraw for 'updatetime'  #1915
- * - mouse scroll: when over other window, scroll that window.
  * - add argument to term_wait() for waiting time.
  * - For the scrollback buffer store lines in the buffer, only attributes in
  *   tl_scrollback.
@@ -909,7 +908,7 @@
  * Return FAIL when the key needs to be handled in Normal mode.
  * Return OK when the key was dropped or sent to the terminal.
  */
-    static int
+    int
 send_keys_to_term(term_T *term, int c, int typed)
 {
     char	msg[KEY_BUF_LEN];
@@ -948,13 +947,18 @@
 	case K_X1RELEASE:
 	case K_X2MOUSE:
 	case K_X2RELEASE:
+
+	case K_MOUSEUP:
+	case K_MOUSEDOWN:
+	case K_MOUSELEFT:
+	case K_MOUSERIGHT:
 	    if (mouse_row < W_WINROW(curwin)
 		    || mouse_row >= (W_WINROW(curwin) + curwin->w_height)
 		    || mouse_col < W_WINCOL(curwin)
 		    || mouse_col >= W_ENDCOL(curwin)
 		    || dragging_outside)
 	    {
-		/* click outside the current window */
+		/* click or scroll outside the current window */
 		if (typed)
 		{
 		    stuffcharReadbuff(c);
diff --git a/src/version.c b/src/version.c
index 758ea20..b3f3eb5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    872,
+/**/
     871,
 /**/
     870,