diff --git a/src/nickalias.cpp b/src/nickalias.cpp
index 6f9bc6995..b1ff140f8 100644
--- a/src/nickalias.cpp
+++ b/src/nickalias.cpp
@@ -240,7 +240,7 @@ Serializable *NickAlias::Type::Unserialize(Serializable *obj, Serialize::Data &d
 	if (na->last_userhost_real.empty())
 		data["last_realhost"] >> na->last_userhost_real;
 
-	if (!na->registered)
+	if (na->registered == Anope::CurTime)
 		data["time_registered"] >> na->registered;
 	if (na->registered < na->nc->registered)
 		na->nc->registered = na->registered;
diff --git a/src/nickcore.cpp b/src/nickcore.cpp
index c915b8436..0216702fd 100644
--- a/src/nickcore.cpp
+++ b/src/nickcore.cpp
@@ -181,7 +181,7 @@ Serializable *NickCore::Type::Unserialize(Serializable *obj, Serialize::Data &da
 	// End 2.0 compatibility.
 
 	// Begin 2.1 compatibility.
-	if (!nc->registered)
+	if (nc->registered == Anope::CurTime)
 		data["time_registered"] >> nc->registered;
 	// End 2.1 compatibility.
 
diff --git a/src/regchannel.cpp b/src/regchannel.cpp
index dd45bc48e..d6c1216f1 100644
--- a/src/regchannel.cpp
+++ b/src/regchannel.cpp
@@ -329,7 +329,7 @@ Serializable *ChannelInfo::Type::Unserialize(Serializable *obj, Serialize::Data
 	// End 1.9 compatibility.
 
 	// Begin 2.0 compatibility.
-	if (!ci->registered)
+	if (ci->registered == Anope::CurTime)
 		data["time_registered"] >> ci->registered;
 	// End 2.0 compatibility.