diff --git a/crates/eww_shared_util/src/span.rs b/crates/eww_shared_util/src/span.rs
index 6cbd0f7..94919b1 100644
--- a/crates/eww_shared_util/src/span.rs
+++ b/crates/eww_shared_util/src/span.rs
@@ -45,13 +45,17 @@ impl Span {
 
 impl std::fmt::Display for Span {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}..{}", self.0, self.1)
+        if self.is_dummy() {
+            write!(f, "DUMMY")
+        } else {
+            write!(f, "{}..{}", self.0, self.1)
+        }
     }
 }
 
 impl std::fmt::Debug for Span {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}..{}", self.0, self.1)
+        write!(f, "{}", self)
     }
 }
 
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 d633ab4..ce4f786 100644
--- a/crates/yuck/src/config/snapshots/yuck__config__test__config.snap
+++ b/crates/yuck/src/config/snapshots/yuck__config__test__config.snap
@@ -18,7 +18,7 @@ Config(
           attrs: {
             AttrName("arg"): AttrEntry(
               key_span: Span(52, 56, 0),
-              value: Literal(Span(57, 61, 0), DynVal("hi", None)),
+              value: Literal(Span(57, 61, 0), DynVal("hi", Span(18446744073709551615, 18446744073709551615, 18446744073709551615))),
             ),
           },
         ),
@@ -56,7 +56,7 @@ Config(
           attrs: {
             AttrName("arg"): AttrEntry(
               key_span: Span(468, 472, 0),
-              value: Literal(Span(473, 478, 0), DynVal("bla", None)),
+              value: Literal(Span(473, 478, 0), DynVal("bla", Span(18446744073709551615, 18446744073709551615, 18446744073709551615))),
             ),
           },
         ),
@@ -79,7 +79,7 @@ Config(
   var_definitions: {
     VarName("some_var"): VarDefinition(
       name: VarName("some_var"),
-      initial_value: DynVal("bla", None),
+      initial_value: DynVal("bla", Span(18446744073709551615, 18446744073709551615, 18446744073709551615)),
       span: Span(72, 95, 0),
     ),
   },