diff --git a/crates/yuck/src/config/snapshots/yuck__config__test__config.snap b/crates/yuck/src/config/snapshots/yuck__config__test__config.snap
index 25be93297..7fc51292b 100644
--- a/crates/yuck/src/config/snapshots/yuck__config__test__config.snap
+++ b/crates/yuck/src/config/snapshots/yuck__config__test__config.snap
@@ -41,6 +41,8 @@ Config(
   window_definitions: {
     "some-window": WindowDefinition(
       name: "some-window",
+      expected_args: [],
+      args_span: Span(18446744073709551615, 18446744073709551615, 18446744073709551615),
       geometry: Some(WindowGeometry(
         anchor_point: AnchorPoint(
           x: START,
@@ -56,7 +58,7 @@ Config(
         ),
       )),
       stacking: Foreground,
-      monitor_number: Some(12),
+      monitor_number: Some(Literal(DynVal("12", Span(278, 280, 0)))),
       widget: Basic(BasicWidgetUse(
         name: "bar",
         attrs: Attributes(
@@ -83,6 +85,63 @@ Config(
         ),
       ),
     ),
+    "some-window-with-args": WindowDefinition(
+      name: "some-window-with-args",
+      expected_args: [
+        AttrSpec(
+          name: AttrName("arg"),
+          optional: false,
+          span: Span(523, 526, 0),
+        ),
+        AttrSpec(
+          name: AttrName("arg2"),
+          optional: false,
+          span: Span(527, 531, 0),
+        ),
+      ],
+      args_span: Span(522, 532, 0),
+      geometry: Some(WindowGeometry(
+        anchor_point: AnchorPoint(
+          x: START,
+          y: START,
+        ),
+        offset: Coords(
+          x: Pixels(0),
+          y: Pixels(0),
+        ),
+        size: Coords(
+          x: Percent(12),
+          y: Pixels(20),
+        ),
+      )),
+      stacking: Foreground,
+      monitor_number: Some(Literal(DynVal("12", Span(595, 597, 0)))),
+      widget: Basic(BasicWidgetUse(
+        name: "bar",
+        attrs: Attributes(
+          span: Span(784, 795, 0),
+          attrs: {
+            AttrName("arg"): AttrEntry(
+              key_span: Span(785, 789, 0),
+              value: SimplExpr(Span(790, 795, 0), Literal(DynVal("bla", Span(790, 795, 0)))),
+            ),
+          },
+        ),
+        children: [],
+        span: Span(780, 796, 0),
+        name_span: Span(781, 784, 0),
+      )),
+      resizable: true,
+      backend_options: BackendWindowOptions(
+        wm_ignore: false,
+        sticky: true,
+        window_type: Dock,
+        struts: StrutDefinition(
+          side: Left,
+          dist: Pixels(30),
+        ),
+      ),
+    ),
   },
   var_definitions: {
     VarName("some_var"): VarDefinition(
diff --git a/crates/yuck/src/config/test.rs b/crates/yuck/src/config/test.rs
index 1af2a6107..f3d53e8c3 100644
--- a/crates/yuck/src/config/test.rs
+++ b/crates/yuck/src/config/test.rs
@@ -20,6 +20,13 @@ fn test_config() {
                    :geometry (geometry :width "12%" :height "20px")
                    :reserve (struts :side "left" :distance "30px")
             (bar :arg "bla"))
+        (defwindow some-window-with-args [arg arg2]
+                   :stacking "fg"
+                   :monitor 12
+                   :resizable true
+                   :geometry (geometry :width "12%" :height "20px")
+                   :reserve (struts :side "left" :distance "30px")
+            (bar :arg "bla"))
     "#;
     let mut files = YuckFiles::new();
     let (span, asts) = files.load_str("config.yuck".to_string(), input.to_string()).unwrap();