diff --git a/src/betterproto2_compiler/plugin/models.py b/src/betterproto2_compiler/plugin/models.py
index 66a47d41..52b69d54 100644
--- a/src/betterproto2_compiler/plugin/models.py
+++ b/src/betterproto2_compiler/plugin/models.py
@@ -441,14 +441,15 @@ def annotations(self) -> list[str]:
     def annotation(self) -> str:
         py_type = self.py_type
 
+        if self.use_builtins:
+            py_type = f"builtins.{py_type}"
+
         # Add the pydantic annotation if needed
         if self.output_file.settings.pydantic_dataclasses:
             annotations = self.annotations
             if annotations:
                 py_type = f"typing.Annotated[{py_type}, {', '.join(annotations)}]"
 
-        if self.use_builtins:
-            py_type = f"builtins.{py_type}"
         if self.repeated:
             return f"list[{py_type}]"
         if self.optional:
diff --git a/tests/inputs/encoding_decoding/encoding_decoding.proto b/tests/inputs/encoding_decoding/encoding_decoding.proto
new file mode 100644
index 00000000..2cf8e391
--- /dev/null
+++ b/tests/inputs/encoding_decoding/encoding_decoding.proto
@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package encoding_decoding;
+
+message Overflow32 {
+    uint32 uint = 1;
+    int32 int = 2;
+    sint32 sint = 3;
+}
+
+message Overflow64 {
+    uint64 uint = 1;
+    int64 int = 2;
+    sint64 sint = 3;
+}
diff --git a/tests/inputs/manual_validation/manual_validation.proto b/tests/inputs/manual_validation/manual_validation.proto
new file mode 100644
index 00000000..88603113
--- /dev/null
+++ b/tests/inputs/manual_validation/manual_validation.proto
@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+package manual_validation;
+
+message Msg {
+    uint32 x = 1;
+}