diff --git a/ldm/invoke/prompt_parser.py b/ldm/invoke/prompt_parser.py
index 48d08a7908..830c5313e3 100644
--- a/ldm/invoke/prompt_parser.py
+++ b/ldm/invoke/prompt_parser.py
@@ -495,7 +495,7 @@ def build_parser_syntax(attention_plus_base: float, attention_minus_base: float)
     edited_fragment = pp.MatchFirst([
         lparen +
             (quoted_fragment |
-                pp.Group(pp.Word(pp.printables, exclude_chars=string.whitespace + ',').set_parse_action(make_text_fragment))
+                pp.Group(pp.OneOrMore(pp.Word(pp.printables, exclude_chars=string.whitespace + ',').set_parse_action(make_text_fragment)))
             ) +
             pp.Dict(pp.OneOrMore(comma + cross_attention_option)) +
         rparen,
diff --git a/tests/test_prompt_parser.py b/tests/test_prompt_parser.py
index 203b95ddf0..0c4d9106db 100644
--- a/tests/test_prompt_parser.py
+++ b/tests/test_prompt_parser.py
@@ -269,6 +269,14 @@ class PromptParserTestCase(unittest.TestCase):
                              Fragment('eating a hotdog', 1)])]),
             parse_prompt("a \"cat\".swap(dog, t_start=0.1, s_start=20) eating a hotdog"))
 
+        self.assertEqual(
+            Conjunction([
+                FlattenedPrompt([Fragment('a fantasy forest landscape', 1),
+                                 CrossAttentionControlSubstitute([Fragment('', 1)], [Fragment('with a river', 1)],
+                                                                 options={'s_start': 0.8, 't_start': 0.8})])]),
+            parse_prompt("a fantasy forest landscape \"\".swap(with a river, s_start=0.8, t_start=0.8)"))
+
+
     def test_escaping(self):
 
         # make sure ", ( and ) can be escaped