diff --git a/src/interfaces/ecpg/preproc/type.h b/src/interfaces/ecpg/preproc/type.h
index c75d1cd2c4e19b5d229cdebd53d4fa6842700f67..f73bda50600fcf7e0e03e3ce45af69d573900f09 100644
--- a/src/interfaces/ecpg/preproc/type.h
+++ b/src/interfaces/ecpg/preproc/type.h
@@ -90,7 +90,7 @@ struct this_type
 	char	   *type_str;
 	int			type_dimension;
 	int			type_index;
-	int			type_sizeof;
+	char *			type_sizeof;
 };
 
 struct _include_path