diff --git a/ChangeLog.txt b/ChangeLog.txt
index 8c3400efe5..5d99c0e102 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -10,6 +10,11 @@
      * Change, ! Fix, % Optimization, + Addition, - Removal, ; Comment
  */
 
+2015-02-17 17:22 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
+  * src/rdd/dbf1.c
+    * modified code which tries to detect if field flags were used in DBF
+      header for autoinc numeric fields
+
 2015-02-17 16:35 UTC+0100 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)
   * src/rdd/dbf1.c
     + added support for autoincrement fields with counter longer then 4 bytes
diff --git a/src/rdd/dbf1.c b/src/rdd/dbf1.c
index 0f666ffe27..718b8e3933 100644
--- a/src/rdd/dbf1.c
+++ b/src/rdd/dbf1.c
@@ -4228,6 +4228,16 @@ static HB_ERRCODE hb_dbfOpen( DBFAREAP pArea, LPDBOPENINFO pOpenInfo )
                case 'N':
                   if( pField->bFieldFlags & ~( HB_FF_NULLABLE | HB_FF_AUTOINC ) )
                      uiFlags = 0;
+                  else if( ( pField->bFieldFlags & HB_FF_AUTOINC ) != 0 )
+                  {
+                     if( HB_GET_LE_UINT32( pField->bReserved1 ) != 0 ||
+                         ( pField->bLen - ( pField->bDec ? pField->bDec + 1 : 0 ) > 9 ?
+                           HB_GET_LE_UINT32( pField->bCounter ) != 0 :
+                           ( ( uiCount > 0 && HB_GET_LE_UINT32( pField->bReserved2 ) != 0 ) ||
+                             HB_GET_LE_UINT32( &pField->bReserved2[ 4 ] ) != 0 ) ) )
+                        uiFlags = 0;
+                     break;
+                  }
                case 'C':
                case 'M':
                case 'V':