diff --git a/src/zutil/db/DBConnection.java b/src/zutil/db/DBConnection.java
index 836f709..5660c63 100755
--- a/src/zutil/db/DBConnection.java
+++ b/src/zutil/db/DBConnection.java
@@ -142,7 +142,7 @@ public class DBConnection implements Closeable{
         ResultSet result = null;
         try {
             result = stmt.getGeneratedKeys();
-            if (result != null) {
+            if (result != null && !result.isBeforeFirst()) {
                 return new SimpleSQLResult<Integer>().handleQueryResult(stmt, result);
             }
         } catch (SQLException e) {
diff --git a/src/zutil/db/handler/SimpleSQLResult.java b/src/zutil/db/handler/SimpleSQLResult.java
index a74ea31..6f6852c 100755
--- a/src/zutil/db/handler/SimpleSQLResult.java
+++ b/src/zutil/db/handler/SimpleSQLResult.java
@@ -37,10 +37,11 @@ import java.sql.Statement;
  */
 public class SimpleSQLResult<T> implements SQLResultHandler<T> {
     /**
-     * Is called to handle an result from an query.
+     * Is called to return the first data generated by a query.
      *
      * @param stmt is the query
      * @param result is the ResultSet
+     * @return first value of the given query or null if the query returned no result.
      */
     @SuppressWarnings("unchecked")
     public T handleQueryResult(Statement stmt, ResultSet result) throws SQLException{