1 files changed, 1 insertions, 1 deletions
diff --git a/print-sl.c b/print-sl.c
index 5567007a..7cac2aa4 100644
--- a/print-sl.c
+++ b/print-sl.c
@@ -130,7 +130,7 @@ sliplink_print(netdissect_options *ndo,
 	int dir;
 	u_int hlen;
 
-	dir = p[SLX_DIR];
+	dir = EXTRACT_U_1(p + SLX_DIR);
 	switch (dir) {
 
 	case SLIPDIR_IN: