1 files changed, 1 insertions, 1 deletions
diff --git a/hex.c b/hex.c
index 11e41db5..270e346a 100644
--- a/hex.c
+++ b/hex.c
@@ -60,7 +60,7 @@ int gpsd_hexpack(char *src, char *dst, size_t len){
     if ((l < 1) || ((size_t)l > len))
 	return -1;
 
-    bzero(dst, len);
+    bzero(dst, (int)len);
     for (i = 0; i < l; i++)
 	if ((k = hex2bin(src+i*2)) != -1)
 	    dst[i] = (char)(k & 0xff);