diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d770bdd..51197ec 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -26,8 +26,11 @@ jobs:
       - name: Run clippy
         run: cargo clippy --verbose
 
-      - name: Run tests without feature impl_from
+      - name: Run tests with default features (support serde)
         run: cargo test --verbose --package patchable
 
+      - name: Run tests without default feature
+        run: cargo test --verbose --package patchable --no-default-features
+
       - name: cargo test with feature impl_from
         run: cargo test --verbose --package patchable --features impl_from
diff --git a/patchable-macro/src/context.rs b/patchable-macro/src/context.rs
index 5a521fd..12369d6 100644
--- a/patchable-macro/src/context.rs
+++ b/patchable-macro/src/context.rs
@@ -153,7 +153,7 @@ impl<'a> MacroContext<'a> {
         let patch_fields = self.generate_patch_fields();
         let body = self.select_fields(
             quote! { #generic_params #where_clause { #(#patch_fields),* } },
-            quote! { #generic_params #where_clause ( #(#patch_fields),* ); },
+            quote! { #generic_params ( #(#patch_fields),* ) #where_clause; },
             quote! {;},
         );
         let patch_name = &self.patch_struct_name;