diff --git a/med/field.hpp b/med/field.hpp
index 017e0cb..e65fe3a 100644
--- a/med/field.hpp
+++ b/med/field.hpp
@@ -239,10 +239,10 @@ class multi_field : public detail::define_meta_info<META_INFO>
 		return &m_tail->value;
 	}
 
-	field_value  m_fields[inplace];
-	std::size_t  m_count {0};
 	field_value* m_head {nullptr};
 	field_value* m_tail {nullptr};
+	std::size_t  m_count {0};
+	field_value  m_fields[inplace];
 };
 
 }	//end: namespace med
diff --git a/med/octet_string.hpp b/med/octet_string.hpp
index 01e4100..f78747a 100644
--- a/med/octet_string.hpp
+++ b/med/octet_string.hpp
@@ -99,9 +99,9 @@ class octets_var_intern
 	}
 
 private:
-	uint8_t     m_data[MAX_LEN];
 	num_octs_t  m_size {0};
 	bool        m_is_set {false};
+	uint8_t     m_data[MAX_LEN];
 };
 
 //fixed length octets with external storage