diff --git a/builtin/stash.c b/builtin/stash.c
index 0c7b6a9588..1bfba53204 100644
--- a/builtin/stash.c
+++ b/builtin/stash.c
@@ -1770,6 +1770,9 @@ int cmd_stash(int argc, const char **argv, const char *prefix)
 	argc = parse_options(argc, argv, prefix, options, git_stash_usage,
 			     PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);
 
+	prepare_repo_settings(the_repository);
+	the_repository->settings.command_requires_full_index = 0;
+
 	index_file = get_index_file();
 	strbuf_addf(&stash_index_path, "%s.stash.%" PRIuMAX, index_file,
 		    (uintmax_t)pid);
diff --git a/t/t1092-sparse-checkout-compatibility.sh b/t/t1092-sparse-checkout-compatibility.sh
index 86312b3044..75d844cd71 100755
--- a/t/t1092-sparse-checkout-compatibility.sh
+++ b/t/t1092-sparse-checkout-compatibility.sh
@@ -1271,7 +1271,10 @@ test_expect_success 'index.sparse disabled inline uses full index' '
 
 ensure_not_expanded () {
 	rm -f trace2.txt &&
-	echo >>sparse-index/untracked.txt &&
+	if test -z "$WITHOUT_UNTRACKED_TXT"
+	then
+		echo >>sparse-index/untracked.txt
+	fi &&
 
 	if test "$1" = "!"
 	then
@@ -1375,6 +1378,30 @@ test_expect_success 'sparse-index is not expanded: merge conflict in cone' '
 	)
 '
 
+test_expect_success 'sparse-index is not expanded: stash' '
+	init_repos &&
+
+	echo >>sparse-index/a &&
+	ensure_not_expanded stash &&
+	ensure_not_expanded stash list &&
+	ensure_not_expanded stash show stash@{0} &&
+	! ensure_not_expanded stash apply stash@{0} &&
+	ensure_not_expanded stash drop stash@{0} &&
+
+	echo >>sparse-index/deep/new &&
+	! ensure_not_expanded stash -u &&
+	(
+		WITHOUT_UNTRACKED_TXT=1 &&
+		! ensure_not_expanded stash pop
+	) &&
+
+	ensure_not_expanded stash create &&
+	oid=$(git -C sparse-index stash create) &&
+	ensure_not_expanded stash store -m "test" $oid &&
+	ensure_not_expanded reset --hard &&
+	! ensure_not_expanded stash pop
+'
+
 test_expect_success 'sparse index is not expanded: diff' '
 	init_repos &&