diff --git a/gtkblueprinttool/parser.py b/gtkblueprinttool/parser.py
index 4559fd6..9ac3fdf 100644
--- a/gtkblueprinttool/parser.py
+++ b/gtkblueprinttool/parser.py
@@ -74,10 +74,10 @@ def parse(tokens) -> T.Tuple[ast.UI, T.Optional[MultipleErrors]]:
             UseIdent("bind_source").expected("the ID of a source object to bind from"),
             Op("."),
             UseIdent("bind_property").expected("a property name to bind from"),
-            AnyOf(
+            ZeroOrMore(AnyOf(
                 Sequence(Keyword("sync-create"), UseLiteral("sync_create", True)),
                 Sequence(Keyword("after"), UseLiteral("after", True)),
-            ),
+            )),
         )
     )
 
diff --git a/tests/samples/binding.blp b/tests/samples/binding.blp
index e4b4a88..af478fb 100644
--- a/tests/samples/binding.blp
+++ b/tests/samples/binding.blp
@@ -2,6 +2,8 @@ using Gtk 4.0;
 
 Box {
   visible: bind box2.visible sync-create;
+  orientation: bind box2.orientation;
 }
 
-Box box2 {}
+Box box2 {
+}
diff --git a/tests/samples/binding.ui b/tests/samples/binding.ui
index 7d20e8c..14a74ac 100644
--- a/tests/samples/binding.ui
+++ b/tests/samples/binding.ui
@@ -3,6 +3,7 @@
   <requires lib="gtk" version="4.0"/>
   <object class="GtkBox">
     <property name="visible" bind-source="box2" bind-property="visible" bind-flags="sync-create"/>
+    <property name="orientation" bind-source="box2" bind-property="orientation"/>
   </object>
   <object class="GtkBox" id="box2"></object>
 </interface>