diff --git a/harbour/source/rtl/fssize.c b/harbour/source/rtl/fssize.c
index dbe2f37e6d..b79f7c83ac 100644
--- a/harbour/source/rtl/fssize.c
+++ b/harbour/source/rtl/fssize.c
@@ -61,7 +61,7 @@ ULONG hb_fsFSize( BYTE * pszFileName, BOOL bUseDirEntry )
    {
       FHANDLE hFileHandle = hb_fsOpen( pszFileName, 0 );
       
-      if( hFileHandle )
+      if( hFileHandle != FS_ERROR )
       {
          ULONG ulPos;