diff --git a/src/wav.c b/src/wav.c
index 6020f20..286a57b 100644
--- a/src/wav.c
+++ b/src/wav.c
@@ -1,5 +1,5 @@
 /*
-** Copyright (C) 1999-2016 Erik de Castro Lopo <erikd@mega-nerd.com>
+** Copyright (C) 1999-2019 Erik de Castro Lopo <erikd@mega-nerd.com>
 ** Copyright (C) 2004-2005 David Viens <davidv@plogue.com>
 **
 ** This program is free software; you can redistribute it and/or modify
@@ -1098,6 +1098,8 @@ wav_write_header (SF_PRIVATE *psf, int calc_length)
 		if (psf->instrument->loop_count > ARRAY_LEN (psf->instrument->loops))
 			psf->instrument->loop_count = ARRAY_LEN (psf->instrument->loops) ;
 
+		/* Loop count is signed 16 bit number so we limit it range to something sensible. */
+		psf->instrument->loop_count &= 0x7fff ;
 		for (tmp = 0 ; tmp < psf->instrument->loop_count ; tmp++)
 		{	int type ;