diff --git a/parse-options.c b/parse-options.c
index 190899611e..850cfa78c9 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -393,6 +393,8 @@ int parse_options_step(struct parse_opt_ctx_t *ctx,
 			case -1:
 				return parse_options_usage(ctx, usagestr, options, 1);
 			case -2:
+				if (ctx->opt)
+					check_typos(arg + 1, options);
 				goto unknown;
 			}
 			if (ctx->opt)
diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh
index a44bcb9b39..e3f354a45e 100755
--- a/t/t0040-parse-options.sh
+++ b/t/t0040-parse-options.sh
@@ -236,6 +236,16 @@ test_expect_success 'detect possible typos' '
 	test_cmp typo.err output.err
 '
 
+cat > typo.err << EOF
+error: did you mean \`--ambiguous\` (with two dashes ?)
+EOF
+
+test_expect_success 'detect possible typos' '
+	test_must_fail test-parse-options -ambiguous > output 2> output.err &&
+	test ! -s output &&
+	test_cmp typo.err output.err
+'
+
 cat > expect <<EOF
 boolean: 0
 integer: 0