diff --git a/api/src/controllers/internal/Execution.ts b/api/src/controllers/internal/Execution.ts
index bf81519..c243e8c 100644
--- a/api/src/controllers/internal/Execution.ts
+++ b/api/src/controllers/internal/Execution.ts
@@ -6,7 +6,7 @@ import { PreProgramVars, TreeNode } from '../../types'
 import { generateFileUploadSasCode, getTmpFilesFolderPath } from '../../utils'
 
 export interface ExecutionVars {
-  [key: string]: string | number | undefined | boolean
+  [key: string]: string | number | undefined
 }
 
 export class ExecutionController {
@@ -56,7 +56,7 @@ export class ExecutionController {
 
     const varStatments = Object.keys(vars).reduce(
       (computed: string, key: string) =>
-        key !== '_returnLog' ? `${computed}%let ${key}=${vars[key]};\n` : '',
+        `${computed}%let ${key}=${vars[key]};\n`,
       ''
     )
 
@@ -135,11 +135,7 @@ ${program}`
       return {
         webout,
         log:
-          (debugValue && debugValue >= 131) ||
-          session.crashed ||
-          Object.keys(vars).includes('_returnLog')
-            ? log
-            : undefined
+          (debugValue && debugValue >= 131) || session.crashed ? log : undefined
       }
     }
 
diff --git a/api/src/types/Request.ts b/api/src/types/Request.ts
index f55f239..bebb033 100644
--- a/api/src/types/Request.ts
+++ b/api/src/types/Request.ts
@@ -4,7 +4,6 @@ export interface ExecutionQuery {
   _program: string
   macroVars?: MacroVars
   _debug?: number
-  _returnLog?: boolean
 }
 
 export interface FileQuery {
diff --git a/api/src/utils/validation.ts b/api/src/utils/validation.ts
index cffd34b..3efd5a9 100644
--- a/api/src/utils/validation.ts
+++ b/api/src/utils/validation.ts
@@ -86,5 +86,5 @@ export const executeProgramRawValidation = (data: any): Joi.ValidationResult =>
   Joi.object({
     _program: Joi.string().required()
   })
-    .pattern(/^/, Joi.alternatives(Joi.string(), Joi.number(), Joi.boolean()))
+    .pattern(/^/, Joi.alternatives(Joi.string(), Joi.number()))
     .validate(data)