diff --git a/include/ruby/internal/core/rdata.h b/include/ruby/internal/core/rdata.h
index 8ce5234571..9432b2ed7a 100644
--- a/include/ruby/internal/core/rdata.h
+++ b/include/ruby/internal/core/rdata.h
@@ -174,14 +174,14 @@ rb_cData(void)
 
 #define rb_data_object_wrap_0 rb_data_object_wrap
 #define rb_data_object_wrap_1 rb_data_object_wrap_warning
-#define rb_data_object_wrap_  rb_data_object_wrap_ /* Used here vvvv */
-#define rb_data_object_wrap   RUBY_MACRO_SELECT(rb_data_object_wrap_, RUBY_UNTYPED_DATA_WARNING)
+#define rb_data_object_wrap_2 rb_data_object_wrap_ /* Used here vvvv */
+#define rb_data_object_wrap   RUBY_MACRO_SELECT(rb_data_object_wrap_2, RUBY_UNTYPED_DATA_WARNING)
 #define rb_data_object_get_0  rb_data_object_get
 #define rb_data_object_get_1  rb_data_object_get_warning
-#define rb_data_object_get_   rb_data_object_get_ /* Used here vvvv */
-#define rb_data_object_get    RUBY_MACRO_SELECT(rb_data_object_get_, RUBY_UNTYPED_DATA_WARNING)
+#define rb_data_object_get_2  rb_data_object_get_ /* Used here vvvv */
+#define rb_data_object_get    RUBY_MACRO_SELECT(rb_data_object_get_2, RUBY_UNTYPED_DATA_WARNING)
 #define rb_data_object_make_0 rb_data_object_make
 #define rb_data_object_make_1 rb_data_object_make_warning
-#define rb_data_object_make_  rb_data_object_make_ /* Used here vvvv */
-#define rb_data_object_make   RUBY_MACRO_SELECT(rb_data_object_make_, RUBY_UNTYPED_DATA_WARNING)
+#define rb_data_object_make_2 rb_data_object_make_ /* Used here vvvv */
+#define rb_data_object_make   RUBY_MACRO_SELECT(rb_data_object_make_2, RUBY_UNTYPED_DATA_WARNING)
 #endif /* RBIMPL_RDATA_H */