diff --git a/src/main/java/fr/xephi/authme/datasource/MySQLThread.java b/src/main/java/fr/xephi/authme/datasource/MySQLThread.java
index cb8b8743..e1cce2e6 100644
--- a/src/main/java/fr/xephi/authme/datasource/MySQLThread.java
+++ b/src/main/java/fr/xephi/authme/datasource/MySQLThread.java
@@ -171,7 +171,7 @@ public class MySQLThread extends Thread implements DataSource {
         ResultSet rs = null;
         try {
             con = makeSureConnectionIsReady();
-            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWEST(" + columnName + ")=LOWEST(?);");
+            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWER(" + columnName + ")=LOWER(?);");
             pst.setString(1, user);
             rs = pst.executeQuery();
             return rs.next();
@@ -197,7 +197,7 @@ public class MySQLThread extends Thread implements DataSource {
         int id = -1;
         try {
             con = makeSureConnectionIsReady();
-            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWEST(" + columnName + ")=LOWEST(?);");
+            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWER(" + columnName + ")=LOWER(?);");
             pst.setString(1, user);
             rs = pst.executeQuery();
             if (rs.next()) {
diff --git a/src/main/java/fr/xephi/authme/datasource/SQLiteThread.java b/src/main/java/fr/xephi/authme/datasource/SQLiteThread.java
index 7ab8ffa4..e846e1d6 100644
--- a/src/main/java/fr/xephi/authme/datasource/SQLiteThread.java
+++ b/src/main/java/fr/xephi/authme/datasource/SQLiteThread.java
@@ -131,7 +131,7 @@ public class SQLiteThread extends Thread implements DataSource {
         PreparedStatement pst = null;
         ResultSet rs = null;
         try {
-            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWEST(" + columnName + ")=LOWEST(?);");
+            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWER(" + columnName + ")=LOWER(?);");
             pst.setString(1, user);
             rs = pst.executeQuery();
             return rs.next();
@@ -149,7 +149,7 @@ public class SQLiteThread extends Thread implements DataSource {
         PreparedStatement pst = null;
         ResultSet rs = null;
         try {
-            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWEST(" + columnName + ")=LOWEST(?);");
+            pst = con.prepareStatement("SELECT * FROM " + tableName + " WHERE LOWER(" + columnName + ")=LOWER(?);");
             pst.setString(1, user);
             rs = pst.executeQuery();
             if (rs.next()) {