diff --git a/git-stash.sh b/git-stash.sh
index 4c92ec931f..5e06f96da5 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -308,14 +308,16 @@ push_stash () {
 	if test -z "$patch_mode"
 	then
 		test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
-		if test -n "$untracked"
+		if test -n "$untracked" && test $# = 0
 		then
 			git clean --force --quiet -d $CLEAN_X_OPTION -- "$@"
 		fi
 
 		if test $# != 0
 		then
-			git add -u -- "$@"
+			test -z "$untracked" && UPDATE_OPTION="-u" || UPDATE_OPTION=
+			test "$untracked" = "all" && FORCE_OPTION="--force" || FORCE_OPTION=
+			git add $UPDATE_OPTION $FORCE_OPTION -- "$@"
 			git diff-index -p --cached --binary HEAD -- "$@" |
 			git apply --index -R
 		else
diff --git a/t/t3905-stash-include-untracked.sh b/t/t3905-stash-include-untracked.sh
index bfde4057ad..2f9045553e 100755
--- a/t/t3905-stash-include-untracked.sh
+++ b/t/t3905-stash-include-untracked.sh
@@ -228,4 +228,50 @@ test_expect_success 'stash previously ignored file' '
 	test_path_is_file ignored.d/foo
 '
 
+test_expect_success 'stash -u -- <untracked> doesnt print error' '
+	>untracked &&
+	git stash push -u -- untracked 2>actual &&
+	test_path_is_missing untracked &&
+	test_line_count = 0 actual
+'
+
+test_expect_success 'stash -u -- <untracked> leaves rest of working tree in place' '
+	>tracked &&
+	git add tracked &&
+	>untracked &&
+	git stash push -u -- untracked &&
+	test_path_is_missing untracked &&
+	test_path_is_file tracked
+'
+
+test_expect_success 'stash -u -- <tracked> <untracked> clears changes in both' '
+	>tracked &&
+	git add tracked &&
+	>untracked &&
+	git stash push -u -- tracked untracked &&
+	test_path_is_missing tracked &&
+	test_path_is_missing untracked
+'
+
+test_expect_success 'stash --all -- <ignored> stashes ignored file' '
+	>ignored.d/bar &&
+	git stash push --all -- ignored.d/bar &&
+	test_path_is_missing ignored.d/bar
+'
+
+test_expect_success 'stash --all -- <tracked> <ignored> clears changes in both' '
+	>tracked &&
+	git add tracked &&
+	>ignored.d/bar &&
+	git stash push --all -- tracked ignored.d/bar &&
+	test_path_is_missing tracked &&
+	test_path_is_missing ignored.d/bar
+'
+
+test_expect_success 'stash -u -- <ignored> leaves ignored file alone' '
+	>ignored.d/bar &&
+	git stash push -u -- ignored.d/bar &&
+	test_path_is_file ignored.d/bar
+'
+
 test_done