diff --git a/src/as-spdx.c b/src/as-spdx.c
index d3c44bb8..4e7e29fe 100644
--- a/src/as-spdx.c
+++ b/src/as-spdx.c
@@ -264,6 +264,10 @@ as_is_spdx_license_expression (const gchar *license)
 			continue;
 		if (g_strcmp0 (tokens[i], "+") == 0)
 			continue;
+		if (g_strcmp0 (tokens[i], "(") == 0)
+			continue;
+		if (g_strcmp0 (tokens[i], ")") == 0)
+			continue;
 		if (g_strcmp0 (tokens[i], "^") == 0) {
 			expect_exception = TRUE;
 			continue;
diff --git a/tests/test-basics.c b/tests/test-basics.c
index 1e085a3d..3f44fb30 100644
--- a/tests/test-basics.c
+++ b/tests/test-basics.c
@@ -471,6 +471,7 @@ test_spdx (void)
 	g_assert_true (as_license_is_free_license ("CC0"));
 	g_assert_true (as_license_is_free_license ("GPL-2.0 AND FSFAP"));
 	g_assert_true (as_license_is_free_license ("OFL-1.1 OR (GPL-3.0-or-later WITH Font-exception-2.0)"));
+	g_assert_true (as_is_spdx_license_expression("OFL-1.1 OR (GPL-3.0-or-later WITH Font-exception-2.0)"));
 	g_assert_true (!as_license_is_free_license ("NOASSERTION"));
 	g_assert_true (!as_license_is_free_license ("LicenseRef-proprietary=https://example.com/mylicense.txt"));
 	g_assert_true (!as_license_is_free_license ("MIT AND LicenseRef-proprietary=https://example.com/lic.txt"));