diff --git a/src/main/java/fr/xephi/authme/datasource/MySQL.java b/src/main/java/fr/xephi/authme/datasource/MySQL.java
index 98b20583..c9648210 100644
--- a/src/main/java/fr/xephi/authme/datasource/MySQL.java
+++ b/src/main/java/fr/xephi/authme/datasource/MySQL.java
@@ -574,7 +574,7 @@ public class MySQL implements DataSource {
     public boolean hasSession(String user) {
         String sql = "SELECT " + col.HAS_SESSION + " FROM " + tableName + " WHERE " + col.NAME + "=?;";
         try (Connection con = getConnection(); PreparedStatement pst = con.prepareStatement(sql)) {
-            pst.setString(1, user);
+            pst.setString(1, user.toLowerCase());
             try (ResultSet rs = pst.executeQuery()) {
                 return rs.next() && (rs.getInt(col.HAS_SESSION) == 1);
             }
diff --git a/src/main/java/fr/xephi/authme/datasource/SQLite.java b/src/main/java/fr/xephi/authme/datasource/SQLite.java
index 966a684b..c0632a10 100644
--- a/src/main/java/fr/xephi/authme/datasource/SQLite.java
+++ b/src/main/java/fr/xephi/authme/datasource/SQLite.java
@@ -474,7 +474,7 @@ public class SQLite implements DataSource {
     public boolean hasSession(String user) {
         String sql = "SELECT " + col.HAS_SESSION + " FROM " + tableName + " WHERE LOWER(" + col.NAME + ")=?;";
         try (PreparedStatement pst = con.prepareStatement(sql)) {
-            pst.setString(1, user);
+            pst.setString(1, user.toLowerCase());
             try (ResultSet rs = pst.executeQuery()) {
                 if (rs.next()) {
                     return rs.getInt(col.HAS_SESSION) == 1;
@@ -491,7 +491,7 @@ public class SQLite implements DataSource {
         String sql = "UPDATE " + tableName + " SET " + col.HAS_SESSION + "=? WHERE LOWER(" + col.NAME + ")=?;";
         try (PreparedStatement pst = con.prepareStatement(sql)) {
             pst.setInt(1, 1);
-            pst.setString(2, user);
+            pst.setString(2, user.toLowerCase());
             pst.executeUpdate();
         } catch (SQLException ex) {
             logSqlException(ex);
@@ -503,7 +503,7 @@ public class SQLite implements DataSource {
         String sql = "UPDATE " + tableName + " SET " + col.HAS_SESSION + "=? WHERE LOWER(" + col.NAME + ")=?;";
         try (PreparedStatement pst = con.prepareStatement(sql)) {
             pst.setInt(1, 0);
-            pst.setString(2, user);
+            pst.setString(2, user.toLowerCase());
             pst.executeUpdate();
         } catch (SQLException ex) {
             logSqlException(ex);