diff --git a/epan/dissectors/packet-btle.c b/epan/dissectors/packet-btle.c
index 606199fd7f..c55889c968 100644
--- a/epan/dissectors/packet-btle.c
+++ b/epan/dissectors/packet-btle.c
@@ -229,10 +229,10 @@ dissect_btle(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_
 
     switch (pinfo->p2p_dir) {
         case P2P_DIR_SENT:
-            col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
+            col_add_str(pinfo->cinfo, COL_INFO, "Sent ");
             break;
         case P2P_DIR_RECV:
-            col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
+            col_add_str(pinfo->cinfo, COL_INFO, "Rcvd ");
             break;
         default:
             col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown direction %d ",
diff --git a/epan/dissectors/packet-ubertooth.c b/epan/dissectors/packet-ubertooth.c
index 4c1890d546..995c299878 100644
--- a/epan/dissectors/packet-ubertooth.c
+++ b/epan/dissectors/packet-ubertooth.c
@@ -1305,15 +1305,16 @@ dissect_ubertooth(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *dat
     switch (pinfo->p2p_dir) {
 
     case P2P_DIR_SENT:
-        col_set_str(pinfo->cinfo, COL_INFO, "Sent ");
+        col_add_str(pinfo->cinfo, COL_INFO, "Sent ");
         break;
 
     case P2P_DIR_RECV:
-        col_set_str(pinfo->cinfo, COL_INFO, "Rcvd ");
+        col_add_str(pinfo->cinfo, COL_INFO, "Rcvd ");
         break;
 
     default:
-        col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown direction ");
+        col_add_fstr(pinfo->cinfo, COL_INFO, "Unknown direction %d ",
+            pinfo->p2p_dir);
         break;
     }