diff --git a/wp-admin/import-blogger.php b/wp-admin/import-blogger.php
index 2098d4da59..8c18ffe2db 100644
--- a/wp-admin/import-blogger.php
+++ b/wp-admin/import-blogger.php
@@ -85,7 +85,7 @@ case "step1":
 					user_ip,
 					user_domain,
 					user_browser,
-					dateYMDhour,
+					user_registered,
 					user_level,
 					user_idmode
 				) VALUES (
diff --git a/wp-admin/import-greymatter.php b/wp-admin/import-greymatter.php
index b91dfdc1b8..93fd19f9cd 100644
--- a/wp-admin/import-greymatter.php
+++ b/wp-admin/import-greymatter.php
@@ -93,7 +93,7 @@ textarea,input,select {
 			continue;
 		}
 
-		$query = "INSERT INTO $wpdb->users (user_login,user_pass,user_nickname,user_email,user_url,user_ip,user_domain,user_browser,dateYMDhour,user_level,user_idmode) VALUES ('$user_login','$pass1','$user_nickname','$user_email','$user_url','$user_ip','$user_domain','$user_browser','$user_joindate','1','nickname')";
+		$query = "INSERT INTO $wpdb->users (user_login,user_pass,user_nickname,user_email,user_url,user_ip,user_domain,user_browser,user_registered,user_level,user_idmode) VALUES ('$user_login','$pass1','$user_nickname','$user_email','$user_url','$user_ip','$user_domain','$user_browser','$user_joindate','1','nickname')";
 		$result = mysql_query($query);
 		if ($result==false) {
 			die ("<strong>ERROR</strong>: couldn't register an user!");
@@ -152,7 +152,7 @@ textarea,input,select {
 				$user_email=addslashes("user@deleted.com");
 				$user_url=addslashes("");
 				$user_joindate=addslashes($user_joindate);
-				$query = "INSERT INTO $wpdb->users (user_login,user_pass,user_nickname,user_email,user_url,user_ip,user_domain,user_browser,dateYMDhour,user_level,user_idmode) VALUES ('$user_login','$pass1','$user_nickname','$user_email','$user_url','$user_ip','$user_domain','$user_browser','$user_joindate','0','nickname')";
+				$query = "INSERT INTO $wpdb->users (user_login,user_pass,user_nickname,user_email,user_url,user_ip,user_domain,user_browser,user_registered,user_level,user_idmode) VALUES ('$user_login','$pass1','$user_nickname','$user_email','$user_url','$user_ip','$user_domain','$user_browser','$user_joindate','0','nickname')";
 				$result = mysql_query($query);
 				if ($result==false) {
 					die ("<strong>ERROR</strong>: couldn't register an user!");
diff --git a/wp-admin/upgrade-functions.php b/wp-admin/upgrade-functions.php
index abd9733b7c..4f5eb0a9ba 100644
--- a/wp-admin/upgrade-functions.php
+++ b/wp-admin/upgrade-functions.php
@@ -131,7 +131,7 @@ function upgrade_110() {
 		$wpdb->query("UPDATE $wpdb->posts SET post_modified = post_date");
 		$wpdb->query("UPDATE $wpdb->posts SET post_modified_gmt = DATE_ADD(post_modified, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE) WHERE post_modified != '0000-00-00 00:00:00'");
 		$wpdb->query("UPDATE $wpdb->comments SET comment_date_gmt = DATE_ADD(comment_date, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
-		$wpdb->query("UPDATE $wpdb->users SET user_registered = DATE_ADD(dateYMDhour, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
+		$wpdb->query("UPDATE $wpdb->users SET user_registered = DATE_ADD(user_registered, INTERVAL '$add_hours:$add_minutes' HOUR_MINUTE)");
 	}
 
 }