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-rw-r--r--src/dhcp/nm-dhcp-utils.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/dhcp/nm-dhcp-utils.c b/src/dhcp/nm-dhcp-utils.c
index 6bbc670b..9b1653b8 100644
--- a/src/dhcp/nm-dhcp-utils.c
+++ b/src/dhcp/nm-dhcp-utils.c
@@ -726,10 +726,10 @@ nm_dhcp_utils_duid_to_string (GBytes *duid)
 	gconstpointer data;
 	gsize len;
 
-	g_return_val_if_fail (duid != NULL, NULL);
+	g_return_val_if_fail (duid, NULL);
 
 	data = g_bytes_get_data (duid, &len);
-	return _nm_utils_bin2str (data, len, FALSE);
+	return _nm_utils_bin2hexstr_full (data, len, ':', FALSE, NULL);
 }
 
 /**