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-rw-r--r--epan/dissectors/packet-arp.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/epan/dissectors/packet-arp.h b/epan/dissectors/packet-arp.h
index 808cb83447..721c024d9e 100644
--- a/epan/dissectors/packet-arp.h
+++ b/epan/dissectors/packet-arp.h
@@ -26,7 +26,7 @@
#ifndef __PACKET_ARP_H__
#define __PACKET_ARP_H__
-gchar *arphrdaddr_to_str(const guint8 *ad, int ad_len, guint16 type);
+const gchar *arphrdaddr_to_str(const guint8 *ad, int ad_len, guint16 type);
const gchar *arphrdtype_to_str(guint16 hwtype, const char *fmt);
void dissect_atm_nsap(tvbuff_t *tvb, int offset, int len, proto_tree *tree);