diff --git a/git-rebase.sh b/git-rebase.sh
index 55da9db818..95a45938ad 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -14,7 +14,7 @@ git-rebase --continue | --abort | --skip | --edit-todo
  Available options are
 v,verbose!         display a diffstat of what changed upstream
 q,quiet!           be quiet. implies --no-stat
-autostash!         automatically stash/stash pop before and after
+autostash          automatically stash/stash pop before and after
 fork-point         use 'merge-base --fork-point' to refine upstream
 onto=!             rebase onto given branch instead of upstream
 p,preserve-merges! try to recreate merges instead of ignoring them
@@ -292,6 +292,9 @@ do
 	--autostash)
 		autostash=true
 		;;
+	--no-autostash)
+		autostash=false
+		;;
 	--verbose)
 		verbose=t
 		diffstat=t
diff --git a/t/t3420-rebase-autostash.sh b/t/t3420-rebase-autostash.sh
index d783f03d3f..944154b2e0 100755
--- a/t/t3420-rebase-autostash.sh
+++ b/t/t3420-rebase-autostash.sh
@@ -37,6 +37,16 @@ testrebase() {
 	type=$1
 	dotest=$2
 
+	test_expect_success "rebase$type: dirty worktree, --no-autostash" '
+		test_config rebase.autostash true &&
+		git reset --hard &&
+		git checkout -b rebased-feature-branch feature-branch &&
+		test_when_finished git branch -D rebased-feature-branch &&
+		test_when_finished git checkout feature-branch &&
+		echo dirty >>file3 &&
+		test_must_fail git rebase$type --no-autostash unrelated-onto-branch
+	'
+
 	test_expect_success "rebase$type: dirty worktree, non-conflicting rebase" '
 		test_config rebase.autostash true &&
 		git reset --hard &&