diff --git a/src/os_win32.c b/src/os_win32.c
index 7dc37a1..2594aee 100644
--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -5384,9 +5384,9 @@
 	{
 	    if (job->jv_channel != NULL && job->jv_channel->ch_anonymous_pipe)
 		job->jv_channel->ch_killing = TRUE;
-	    return TerminateJobObject(job->jv_job_object, 0) ? OK : FAIL;
+	    return TerminateJobObject(job->jv_job_object, -1) ? OK : FAIL;
 	}
-	return terminate_all(job->jv_proc_info.hProcess, 0) ? OK : FAIL;
+	return terminate_all(job->jv_proc_info.hProcess, -1) ? OK : FAIL;
     }
 
     if (!AttachConsole(job->jv_proc_info.dwProcessId))
diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index c206810..ebcd76e 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -1991,3 +1991,18 @@
   " this was leaking memory
   call assert_fails("call job_start([''])", "E474:")
 endfunc
+
+func Test_issue_5150()
+  let g:job = job_start('grep foo', {})
+  call job_stop(g:job)
+  sleep 10m
+  call assert_equal(-1, job_info(g:job).exitval)
+  let g:job = job_start('grep foo', {})
+  call job_stop(g:job, 'term')
+  sleep 10m
+  call assert_equal(-1, job_info(g:job).exitval)
+  let g:job = job_start('grep foo', {})
+  call job_stop(g:job, 'kill')
+  sleep 10m
+  call assert_equal(-1, job_info(g:job).exitval)
+endfunc
diff --git a/src/version.c b/src/version.c
index 7c48e0b..61a9f95 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    238,
+/**/
     237,
 /**/
     236,