diff --git a/src/platform/workflow/persistence/services/workflowSessionStorageService.ts b/src/platform/workflow/persistence/services/workflowSessionStorageService.ts
index 4434f9762..d560c9dd4 100644
--- a/src/platform/workflow/persistence/services/workflowSessionStorageService.ts
+++ b/src/platform/workflow/persistence/services/workflowSessionStorageService.ts
@@ -12,7 +12,7 @@ const MAX_EVICTION_ATTEMPTS = 3
 const PROTECTED_KEY_PREFIXES = ['workspace.', 'Workspace.']
 
 function isProtectedKey(key: string): boolean {
-  return PROTECTED_KEY_PREFIXES.some((prefix) => key.includes(prefix))
+  return PROTECTED_KEY_PREFIXES.some((prefix) => key.startsWith(prefix))
 }
 
 /**