diff --git a/epan/dissectors/packet-sna.c b/epan/dissectors/packet-sna.c
index 51bb621baf..d1d9acc097 100644
--- a/epan/dissectors/packet-sna.c
+++ b/epan/dissectors/packet-sna.c
@@ -2712,7 +2712,7 @@ proto_register_sna(void)
 		    "", HFILL }},
 
                 { &hf_sna_th_mft,
-                { "MPR FID4 Type", "sna.th.mft", FT_BOOLEAN, BASE_NONE,
+                { "MPR FID4 Type", "sna.th.mft", FT_BOOLEAN, 8
 		    NULL, 0x04, "", HFILL }},
 
                 { &hf_sna_th_piubf,