diff --git a/packages/northstar/src/blocks/special/if.r.ts b/packages/northstar/src/blocks/special/if.r.ts
index ed41581..4282f54 100644
--- a/packages/northstar/src/blocks/special/if.r.ts
+++ b/packages/northstar/src/blocks/special/if.r.ts
@@ -79,7 +79,7 @@ export class IfElseBlock extends RectBlock implements SpecialBlock {
   getProps(): PropsData {
     return [
       {
-        name: "has else",
+        name: "[else]",
         type: "switch",
         getVal: () => {
           return this.hasElse;
diff --git a/packages/northstar/src/blocks/special/imp.ts b/packages/northstar/src/blocks/special/imp.ts
index 632baf7..9c4ee02 100644
--- a/packages/northstar/src/blocks/special/imp.ts
+++ b/packages/northstar/src/blocks/special/imp.ts
@@ -11,7 +11,7 @@ import {
   SingleOutSocket,
   UseSocket,
   UsedSockets,
-  blockCtors
+  blockCtors,
 } from "@quasi-dev/visual-flow";
 import { PropsData } from "../../utils/props";
 import {
@@ -70,7 +70,7 @@ export class ImpBlock extends FuncBlockBase {
   getProps(): PropsData {
     return [
       {
-        name: "has then",
+        name: "[then]",
         type: "switch",
         getVal: () => {
           return this.hasThen;