diff --git a/lib/ferr.c b/lib/ferr.c
index 513ef5ebec..e5b6d7552d 100644
--- a/lib/ferr.c
+++ b/lib/ferr.c
@@ -157,13 +157,7 @@ void log_ref_display(struct vty *vty, uint32_t code, bool json)
 		}
 	}
 
-	if (json) {
-		const char *str = json_object_to_json_string_ext(
-			top, JSON_C_TO_STRING_PRETTY);
-		vty_out(vty, "%s\n", str);
-		json_object_free(top);
-	}
-
+	vty_json(vty, top);
 	list_delete(&errlist);
 }
 
diff --git a/lib/filter.c b/lib/filter.c
index 9c80808fe8..2de5bd657c 100644
--- a/lib/filter.c
+++ b/lib/filter.c
@@ -589,14 +589,7 @@ static int filter_show(struct vty *vty, const char *name, afi_t afi,
 		}
 	}
 
-	if (json) {
-		vty_out(vty, "%s\n",
-			json_object_to_json_string_ext(
-				json, JSON_C_TO_STRING_PRETTY));
-		json_object_free(json);
-	}
-
-	return CMD_SUCCESS;
+	return vty_json(vty, json);
 }
 
 /* show MAC access list - this only has MAC filters for now*/
diff --git a/lib/plist.c b/lib/plist.c
index a53b087a46..0b3de88d9f 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -1127,14 +1127,7 @@ static int vty_show_prefix_list(struct vty *vty, afi_t afi, const char *name,
 					      master, dtype, seqnum);
 	}
 
-	if (uj) {
-		vty_out(vty, "%s\n",
-			json_object_to_json_string_ext(
-				json, JSON_C_TO_STRING_PRETTY));
-		json_object_free(json);
-	}
-
-	return CMD_SUCCESS;
+	return vty_json(vty, json);
 }
 
 static int vty_show_prefix_list_prefix(struct vty *vty, afi_t afi,
diff --git a/lib/routemap.c b/lib/routemap.c
index 6227ebf158..a004e23b86 100644
--- a/lib/routemap.c
+++ b/lib/routemap.c
@@ -1026,14 +1026,7 @@ static int vty_show_route_map(struct vty *vty, const char *name, bool use_json)
 		list_delete(&maplist);
 	}
 
-	if (use_json) {
-		vty_out(vty, "%s\n",
-			json_object_to_json_string_ext(
-				json, JSON_C_TO_STRING_PRETTY));
-		json_object_free(json);
-	}
-
-	return CMD_SUCCESS;
+	return vty_json(vty, json);
 }
 
 /* Unused route map details */