diff --git a/include/account.h b/include/account.h
index 19b7729d3..7879a578e 100644
--- a/include/account.h
+++ b/include/account.h
@@ -109,7 +109,8 @@ const Anope::string NickCoreFlagStrings[] = {
 	"MEMO_MAIL", "HIDE_STATUS", "SUSPENDED", "AUTOOP", "FORBIDDEN", "UNCONFIRMED", "STATS", ""
 };
 
-class CoreExport NickAlias : public Extensible, public Flags<NickNameFlag, NS_END>, public Serializable
+/* It matters that Base is here before Extensible (it is inherited by Serializable) */
+class CoreExport NickAlias : public Serializable, public Extensible, public Flags<NickNameFlag, NS_END>
 {
 	Anope::string vhost_ident, vhost_host, vhost_creator;
 	time_t vhost_created;
@@ -187,7 +188,8 @@ class CoreExport NickAlias : public Extensible, public Flags<NickNameFlag, NS_EN
 	time_t GetVhostCreated() const;
 };
 
-class CoreExport NickCore : public Extensible, public Flags<NickCoreFlag, NI_END>, public Serializable
+/* It matters that Base is here before Extensible (it is inherited by Serializable) */
+class CoreExport NickCore : public Serializable, public Extensible, public Flags<NickCoreFlag, NI_END>
 {
  public:
 	/** Default constructor
diff --git a/src/nickalias.cpp b/src/nickalias.cpp
index 3137a827a..801a79d05 100644
--- a/src/nickalias.cpp
+++ b/src/nickalias.cpp
@@ -29,7 +29,7 @@ static nickservheld_map NickServHelds;
  * @param nick The nick
  * @param nickcore The nickcore for this nick
  */
-NickAlias::NickAlias(const Anope::string &nickname, NickCore* nickcore) : Flags<NickNameFlag, NS_END>(NickNameFlagStrings), Serializable("NickAlias")
+NickAlias::NickAlias(const Anope::string &nickname, NickCore* nickcore) : Serializable("NickAlias"), Flags<NickNameFlag, NS_END>(NickNameFlagStrings)
 {
 	if (nickname.empty())
 		throw CoreException("Empty nick passed to NickAlias constructor");
diff --git a/src/nickcore.cpp b/src/nickcore.cpp
index 4c3a774b1..5d9950a4e 100644
--- a/src/nickcore.cpp
+++ b/src/nickcore.cpp
@@ -19,7 +19,7 @@ serialize_checker<nickcore_map> NickCoreList("NickCore");
 /** Default constructor
  * @param display The display nick
  */
-NickCore::NickCore(const Anope::string &coredisplay) : Flags<NickCoreFlag, NI_END>(NickCoreFlagStrings), Serializable("NickCore")
+NickCore::NickCore(const Anope::string &coredisplay) :  Serializable("NickCore"), Flags<NickCoreFlag, NI_END>(NickCoreFlagStrings)
 {
 	if (coredisplay.empty())
 		throw CoreException("Empty display passed to NickCore constructor");