1 files changed, 1 insertions, 1 deletions
diff --git a/src/google/protobuf/compiler/csharp/csharp_map_field.h b/src/google/protobuf/compiler/csharp/csharp_map_field.h
index 84a33a03..91c99bd0 100644
--- a/src/google/protobuf/compiler/csharp/csharp_map_field.h
+++ b/src/google/protobuf/compiler/csharp/csharp_map_field.h
@@ -44,7 +44,7 @@ namespace csharp {
 class MapFieldGenerator : public FieldGeneratorBase {
  public:
   MapFieldGenerator(const FieldDescriptor* descriptor,
-                    int fieldOrdinal,
+                    int presenceIndex,
                     const Options* options);
   ~MapFieldGenerator();