diff --git a/C/iopreds.c b/C/iopreds.c
index 0c4c80142..f88b39bae 100755
--- a/C/iopreds.c
+++ b/C/iopreds.c
@@ -234,6 +234,9 @@ Yap_GetFreeStreamDForReading(void)
   if (sno < 0) return sno;
   s = Stream+sno;
   s->status |= User_Stream_f|Input_Stream_f;
+  s->charcount = 0;
+  s->linecount = 1;
+  s->linepos = 0;
   s->stream_wgetc = get_wchar;
   s->encoding = DefaultEncoding();
   if (CharConversionTable != NULL)