Index: trunk/lib/libtrace_int.h
===================================================================
--- trunk/lib/libtrace_int.h	(revision 1444)
+++ trunk/lib/libtrace_int.h	(revision 1450)
@@ -214,5 +214,5 @@
 	uint16_t hatype;           	/* link-layer address type */
 	uint16_t halen;            	/* link-layer address length */
-	char addr[8];	 		/* link-layer address */
+	unsigned char addr[8];	 	/* link-layer address */
 	uint16_t protocol;         	/* protocol */
 } libtrace_sll_header_t;