diff --git a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/formatted-text.tsx b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/formatted-text.tsx
index 983cd6383e2..96270e17c36 100644
--- a/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/formatted-text.tsx
+++ b/apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/formatted-text.tsx
@@ -9,7 +9,7 @@ export interface HighlightContext {
   highlightAll?: boolean
 }
 
-const SYSTEM_PREFIXES = new Set(['start', 'loop', 'parallel', 'variable'])
+const SYSTEM_PREFIXES = new Set(['loop', 'parallel', 'variable'])
 
 /**
  * Formats text by highlighting block references (<...>) and environment variables ({{...}})
diff --git a/apps/sim/lib/workflows/sanitization/references.ts b/apps/sim/lib/workflows/sanitization/references.ts
index 8f30762dfe1..ecc65f60f71 100644
--- a/apps/sim/lib/workflows/sanitization/references.ts
+++ b/apps/sim/lib/workflows/sanitization/references.ts
@@ -1,6 +1,6 @@
 import { normalizeName, REFERENCE } from '@/executor/constants'
 
-export const SYSTEM_REFERENCE_PREFIXES = new Set(['start', 'loop', 'parallel', 'variable'])
+export const SYSTEM_REFERENCE_PREFIXES = new Set(['loop', 'parallel', 'variable'])
 
 const INVALID_REFERENCE_CHARS = /[+*/=<>!]/