diff --git a/schemars/src/json_schema_impls/decimal.rs b/schemars/src/json_schema_impls/decimal.rs
index 1a2806a..b4c5f92 100644
--- a/schemars/src/json_schema_impls/decimal.rs
+++ b/schemars/src/json_schema_impls/decimal.rs
@@ -13,7 +13,7 @@ macro_rules! decimal_impl {
             }
 
             fn schema_id() -> Cow<'static, str> {
-                Cow::Borrowed($name)
+                Cow::Borrowed("Decimal")
             }
 
             fn json_schema(_: &mut SchemaGenerator) -> Schema {